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fuel draining
 fuel draining
space 燃料放泄
| pneumatic valve
 pneumatic valve
agric. 气阀
avia. 气动活门; 气动调节阀; 冷气活门
compr. 气压阀
dril. 气控阀
met. 风动阀
space 气动阀

to phrases
fuel draining
space 燃料放泄
fuel draining pneumatic valve
: 3 phrases in 2 subjects
Space2
Technology1