单词	double-seal valve
释义	double-seal valve un. 双密封阀
随便看	impulse seal impulse sealee impulse sealer impulse sealing impulse sealing machine impulse section blade impulse seismogram impulse sender impulse sending machine impulse separator impulse sequence impulse services impulse set impulse shape impulse shaper impulse sharper impulse shopping impulse signal impulse signal generator impulse signaling impulse signalling impulse simulation circuit impulse slice circuit impulse solenoid impulse sound level meter rgbs rgdt rghf rghj rglj rgnj rgsdmy rgsly rgsmy rgss ほうぶつせん【放物線（抛物線）】ほうぶんほうぶんほうぶん【法文】ほうぶん【邦文】ほうへいほうへいほうへい【奉幣】ほうへい【砲兵】ほうへん