词语放空阀
解释emptying valve
emptying valve〔名词〕泄空阀,排油阀详细»
emptying valve〔名词〕泄水时间详细»
放空阀air release valve;air relief valve;atmos valve;atmospheric valve;atmosvalve;venting valve详细»
放空阀atmospheric valve;blow valve详细»
放空阀atmos valve;atmosvalve;relief valve详细»
放空阀atmos valve;blowdown valve详细»