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气侵 qì qīn
dril. gas cut; gas contamination; gas cutting; gas intrusion
oil gas invasion
泥浆气侵 qì qīn
dril. air-cut
气侵: 121 phrases in 18 subjects
Agriculture7
Architecture4
Automobiles1
Bridge construction2
Business1
Desert science1
Drilling60
Earth sciences2
Engineering geology1
General1
Hydroelectric power stations2
Metallurgy3
Mining2
Oil / petroleum13
Phytophathology1
Refrigeration1
Space1
Technology18