"What could possibly be wrong with this floor?" Liu Shuyuan found that he and Bai Song were not on the same train of thought. When Bai Song came out to handle the case, his level of discovery of some details was several levels higher than his, so he could only humbly ask: "Don't hide anything from me, I haven't found it anyway."
"Let's go from over there to here. There is a high-voltage well and two low-voltage wells. This hospital is not too big, so why do we need two low-voltage wells?" Bai Song asked in the corridor with some confusion.
“…”
"Why aren't you talking? There's no surveillance in this corridor, so just talk to me." Bai Song felt that he couldn't understand.
"Uh..." Liu Shuyuan asked, "What is a strong current well? What is a weak current well? Are they divided according to the 36-volt safety voltage?"
…
"No." As they chatted, the two quickly reached the floor of the laboratory. There was no difference from the other side. Bai Song took a glance and continued to walk up. "The strong current well is mainly for power supply lines. Generally, it is 220 volts, 380 volts and above high voltage electricity, which is mainly used to power the building. The weak current well is for optical fiber and telephone cable lines. The voltage of the telephone line is 110 volts, but it is also considered weak current."
"There is more strange knowledge..." Liu Shuyuan felt a little headache when listening to Bai Song's talk in this situation: "So the hospital building needs a lot of cables, so they installed two weak current wells you mentioned?"
"But the weak current shaft is very large, and there is no need to run from the first floor to the thirteenth floor. Generally speaking, a pipe with a diameter of more than ten centimeters is enough to accommodate all weak current lines." Bai Song said: "This hospital is not a high-tech hospital. Does it need so many lines?"
"It's hard to say." Liu Shuyuan seemed to understand something when he heard this: "Maybe when the hospital was first built, it was advertised as 'high-tech'? Didn't you see that there is a whole floor unused as a cooperative laboratory for Tianhua Medical University? I guess this is all a gimmick, and sometimes, the gimmick is more important than the actual thing."
"Well, that makes sense." Bai Song was convinced again. He always accepts good advice.
When they reached the 13th floor, they called for the elevator. This time it was not the same elevator as before. The elevator operator was a man. He did not even ask what floor they were going to. He just pressed the button for the first floor and they were at the bottom of the building.
There were still no special vehicles like ambulances at the door, so Bai Song breathed a sigh of relief. After all, he had just seen a doctor giving first aid to a patient, and he was a little worried that he had occupied a special parking space.
Looking around, there was only one truck carrying medicine that could be considered a hospital vehicle. There were no other vehicles with special signs. It was really deserted.
There was nothing to be nostalgic about, so Bai Song and Liu Shuyuan got into the company's car and drove away from the hospital.
Halfway down the road, Bai Song suddenly asked, "What time is it?"
"5:40", Liu Shuyuan was very happy that he didn't have to work overtime.
"What time did we go to the hospital?" Bai Song was a little confused: "Why didn't he ask us for money when he came out?"
"Hey, now you mention it, it's true." Liu Shuyuan just realized: "Could it be that we don't have an hour?"
"How is that possible? We spent a long time in the activity room and the library alone. I remember we went into the hospital around four o'clock. We left work at two o'clock and spent only a little over an hour and a half in the community hospital and the health management center."
"After an hour, the charge is 1 yuan per hour. I guess they are too lazy to charge 1 yuan." Liu Shuyuan, who comes from a wealthy family, never gives a second thought about a yuan.
"Maybe." Bai Song drove without distraction and headed straight to the Economic Investigation Corps.
When he returned to the unit, it was already time to get off work. Bai Song immediately went to find Captain Cao and told him the general clues he had obtained from the health management center and hospital in the afternoon.
Most of the problems about the hospital were just Bai Song's guesses, so when he talked to Captain Cao about it, Bai Song just said that he took a look around and didn't find any useful clues.
"Health Hospital?" After hearing Bai Song's afternoon gains, Captain Cao frowned and said nothing for a long time, which made Bai Song feel a little nervous.
"Okay, I understand. Don't investigate this matter any further. I'll report this to the Tianbei Branch later." Captain Cao said, and then emphasized, "Tomorrow you will continue to interrogate the suspects who have not been questioned yet. Xiao Liu needs to complete the case file. I'll arrange for someone else to accompany you tomorrow."
"But, at the hospital..."
"No buts..." Captain Cao interrupted Bai Song and said, "I have just made it very clear about the hospital situation. This matter is confidential. From now on, you cannot discuss what happened this afternoon with anyone, including Xiao Liu."
"I understand." Bai Song had a lot of questions to ask, but he still nodded.
"Well, and the May Day holiday is the day after tomorrow. You've been very busy recently, so make sure you get some rest." Captain Cao said, "If you're going on a trip or going home, please hand in your leave note as soon as possible and I'll approve it for you."
"Thank you, Captain Cao."
"Okay, you can go out now, and call Xiao Liu over."
"good."
Bai Song left the house with a heavy heart, found Liu Shuyuan, informed him, and went to his own room.
Liu Shuyuan was still a little confused and wanted to ask Bai Song what was going on. Bai Song shook his head, didn't say much, and told Liu Shuyuan to go directly.
Although Captain Cao was not very harsh when he said these words just now, Bai Song could see that Captain Cao's emotions had been restrained. If it was just that the Economic Investigation Corps did not have jurisdiction over this case, it would not be so serious.
Captain Cao is the leader of the detachment and Liu Shuyuan is a policeman. According to common sense, Captain Cao should not talk to Liu Shuyuan directly. Even if they have a personal relationship, he should not let Bai Song call Liu Shuyuan.
In this case, there is only one possibility, that is, Captain Cao personally instructed Liu Shuyuan to keep the matter confidential.
Today is Friday, April 26. Tomorrow is the 27th, and we will be working as usual. Because next Wednesday is Labor Day, the holiday will be from Sunday to Wednesday. Of course, we will be working as usual next Saturday.
During the four-day May Day holiday, Bai Song had really planned to go out for a walk, but after hearing what Captain Cao said, he no longer had the mood to play.
With thoughts running wild in his mind, Bai Song opened the door and entered his dormitory.
Um?
Bai Song thought he had walked into the wrong house and there was someone inside.
Without going out to check the room number, Bai Song confirmed that this was his room from the things he had laid out on the bed, and then greeted the senior in the room.
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