Engineer Qu suddenly handed over a wrench covered in oil. "Please use your special ability to cool this thing down. At 320 revolutions per minute, critical friction heat will be generated."
"You should number the equipment first." Chen Yao's frost climbed along the wrench thread, but suddenly retracted when it was about to touch Engineer Qu's fingers.
This is the control technique that Mou Xuan taught her, using breathing frequency to regulate the output of supernatural powers.
She caught a glimpse of Mou Xuan using the tip of a dagger to pry open the back cover of a tactical tablet, and golden-red blood beads seeped into the gaps in the circuit board along the tip of the knife.
"The seventh purification module is ready." Engineer Qu knocked on the water pipe with a screwdriver, and the rusty metal actually resonated like an organ. "But someone needs to go down to the main pipe twelve meters deep to calibrate the sound wave reflector."
The gear totem on Mou Xuan's back suddenly accelerated and spun three squares, and the ice on his tactical boots fell off: "Oh my god."
Chen Yao is responsible for..."
"Oh my god." Chen Yao's ice blade had already condensed into a spiral drill bit, "The concentration of time particles in your blood exceeds the standard." She did not give the other party a chance to refute. The click sound of the zipper of the combat uniform pulled to the chin was crisper than the alarm.
Condensation from the roof of the air-raid shelter suddenly fell vertically and froze into hexagonal goggles on her shoulder armor.
A three-dimensional pipeline network diagram suddenly popped up on Mou Xuan's tactical tablet, and the golden blood vessels formed glowing longitude and latitude lines in the projection light: "The second wave of purification agents will arrive at the junction valve in thirty-seven seconds. You need to deflect the reflector 15 degrees within twenty-five seconds." He pulled off the dog tag from his neck and threw it over. "It can save two seconds if it is stuck in the third groove."
The moment Chen Yao bit the dog tag and jumped into the pipe, the blue fire burst out from the friction between the ice drill and the metal illuminated Mou Xuan's suddenly clenched fist.
Engineer Qu stared at the spectrum analyzer and suddenly screamed: "Damn it!
The resonant frequency is being buffered by some kind of slime! "
"Raise the pitch of Flight of the Bumblebee by three octaves." Mou Xuan's bloody fingertips slid across the screen, and the fluorescent jellyfish in the sewage that were not yet dead suddenly began to twitch in sync. "Chen Yao!
The accelerator is injected five seconds in advance! "
There was the sound of ice breaking deep in the pipe, and Chen Yao's voice echoed with metallic resonance: "I expected it!" The ice crystals she had frozen on the pipe wall suddenly refracted with a prism effect, focusing the sound waves into a scorching beam of light.
Engineer Qu looked at the jumping numbers on the dashboard and suddenly sang Twinkle Twinkle Little Star at the top of his voice out of tune - this was the frequency calibration code they agreed upon.
When the last pressure relief valve spewed out whiskey-colored steam, Chen Yao was blown out of the pipe by the recoil force, like a swift with a broken wing.
Two teeth suddenly popped out from the gears on the back of Mou Xuan's combat suit, drawing a golden parabola in the air and catching her.
The two of them crashed into the calcified pile formed after the sewage receded, and Chen Yao's ice mirror armor shattered into stardust.
"The reflector angle is 16.3°." She spat out the rust in her mouth and found that Mou Xuan's mechanical knuckles were stuck on the quick-release buckle of her tactical belt.
Engineer Qu cheered and held up the tablet with half a crack left on it: "The pollution index has returned to zero!
"Wait..." His index finger, which was stained with engine oil, suddenly froze on the alarm icon. "The Alliance Communication Station has forwarded seven emergency messages. The rock formation on the southeast side of the reservoir... is secreting biological mucus. "
The gear on the back of Mou Xuan's neck suddenly got stuck half a circle, and Chen Yao saw with her own eyes two grains of time sand falling from the ends of his hair.
From deep within the water pipes that had just been purified came a subtle sound similar to that of human molars gnawing on metal.
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