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高真空泵 gāozhēnkōng bèng
chem. Sprengel pump
met. high vacuum pump
oil molecular pump
oil.proc. high-vacuum pump
tech. perfect vacuum pump
真空泵
tech. low-pressure vacuum pump
高真空泵达 0.066 千帕 gāozhēnkōng bèng
auto. high vacuum pump
真空泵
tech. high-vacuum pump
高真 空 泵
: 12 phrases in 6 subjects
Construction1
General2
Geophysics1
Metallurgy2
Shipbuilding1
Technology5