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氦气
 氦气
avia. helium gas
| 手动阀门
 手动阀门
chem. hand valve
hydroel.st. manual operated valve

to phrases
氦气 hàiqì
avia. helium gas
space gaseous helium
氦气
: 56 phrases in 17 subjects
Aviation4
Chemistry1
Compressors2
Electronics3
General1
Geology1
Metallurgy6
Nautical2
Nuclear and fusion power1
Oil / petroleum2
Refrigeration2
Shipbuilding1
Skydiving1
Space13
Steel production2
Submarines1
Technology13