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手动阀 shǒudòngfá
dril. hand operation valve
met. hand valve; manual valve
oil hand operated valve; manually operated valve
refrig. manually-operated valve
tech. hand control valve (门); hand-operated valve (门); hand valve (门); manually operated gate (门); manually operated valve (门)
手动操作
met. hand-operated valve
手动电磁
steel. manual valves
手 动阀
: 60 phrases in 13 subjects
Automobiles7
Aviation4
Chemistry1
Compressors4
Drilling1
Hydroelectric power stations1
Oil / petroleum4
Rail transport5
Refrigeration5
Solar power1
Space4
Steel production1
Technology22