Lu Yuan quickly went over and said, "Let me give it a try!"
The other person handed the stethoscope to Lu Yuan. Lu Yuan took the stethoscope, hung it around his neck, and listened quietly to the sounds inside.
A faint hissing sound kept coming from underground, like a tire leaking air.
Lu Yuan frowned and looked at the expert group: "What is that sound?"
The experts shook their heads: "We don't know, but judging from the sound, it must have come from more than 30 meters below!"
Lu Yuan looked at the other person with suspicion: "Thirty meters? That can't be right! Thirty meters away seems to be a layer of rock! Are you sure you haven't misjudged the location?"
The other party immediately retorted, "I absolutely didn't mishear! It's about thirty meters away! If you don't believe me, you can measure it with measuring instruments!"
Lu Yuan turned to look at Hei Zi: "Stop rushing! Come over and get tested! There's probably something going on down there!"
Hei Zi sighed and glanced at the small pit filled with solvent. The pit was now completely filled with solvent, and it was impossible to tell how deep it was.
So Hei Zi came over with his equipment, looking somewhat anxious.
"What are you going to do now?"
Lu Yuan pointed to the ground: "They said there's something more than 30 meters underground. I just heard some noise too. Use the detection equipment to check and see if you can find anything!"
Kuroko nodded: "Alright! Anyway, we have nothing else to do right now! This is the only option!"
So, after fiddling around for a while, the group found the source of the sound and began testing.
The detection was very fast; the results were analyzed in a short time.
One of the geologists looked at the test report, adjusted his glasses, and said, "There should be something thirty meters underground!"
"Oh? There really is something there?"
"Yes! That's right! And through a thorough examination of the rocks' sealing properties, we discovered that the sealing within these rocks is quite solid, which is different from the structure of the rocks here!"
Hei Zi said impatiently, "Just give me the conclusion!"
"I suspect... they've started injecting fuel gas into the ant nest! The source of these sounds is the injection of this gas through an ultra-high-pressure infiltration device!"
Upon hearing this news, Lu Yuan couldn't help but sniff: "Wait a minute! There doesn't seem to be any smell of fuel at all!"
However, the geologist gently pointed to a place in the distance: "This is not where the exhaust is coming from; that should be the place!"
Upon hearing what the other person said, Lu Yuan quickly ran towards that place.
Before even getting close, Lu Yuan could smell a faint odor of gasoline.
"Holy crap! They're serious!"
The scholar nodded: "It should be, but there's no need to worry now, because this injection method is very slow and inefficient, so we should have some time!"
However, a member of the expert team asked, "In such a large area, they wouldn't just put in only one injection channel, would they?"
Upon hearing this, everyone was stunned.
Because what he said was true. If they were to inject it from just one place, it would take an unknown amount of time to fill such a large area. However, if they used hundreds or thousands of such injection points, it wouldn't be long before the area was filled with highly toxic fuel gases.
The thought that this place had become a dangerous and explosive location made Lu Yuan unable to help but look back at the car in the distance: "Holy crap! Could the temperature inside the car ignite the gases here?"
"Turn off the car engine! No smoking, no open flames!"
Hei Zi shouted loudly, and then all the cars stopped their engines.
Once the car's engine was turned off, the entire pothole fell silent, and at that moment, the hissing sounds became very clear.
Even Lu Yuan, who was not far away, heard this sound.
"It seems they've already started!"
"Let me check the gas concentration!"
The expert team immediately began checking the concentration of fuel in the surrounding gas.
Finally, after a long time, my phone rang again with a call from Chen Yan.
Lu Yuan quickly picked up the phone and answered it.
"Has it been found?"
"Hmm! We've found the contact person! But it can only be contacted from our side!"
"Great! That's enough!"
"But...but we've already evacuated from the middle level! Who can we contact now?"
Lu Yuan thought for a moment: "Zhao Honghai! Zhao Honghai is the only one we can contact right now, and he was the former commander-in-chief of this mission. No one is more suitable than him!"
"Zhao Honghai? I don't think I've ever heard of him!"
"Zhao Dajiang is Zhao Dajiang's father, Zhao Honghai!"
"Oh! I remember now! It's the father of that young man who secretly sent us the message!"
“That’s right! It’s him! Have Zhao Dajiang contact his father now! Then you just tell him what’s going on here! Zhao Honghai should know what to do!”
"Okay! I'll go find Zhao Dajiang now and contact Zhao Honghai!"
After hanging up the phone, Chen Yan quickly asked her assistant, "Zhao Dajiang! Go find Zhao Dajiang now! Where is he?"
After thinking for a moment, the assistant pointed to the hospital in the distance and said, "He's still in the hospital!"
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