词语block valve
解释断流阀
block valve〔名词〕切换阀,截断阀详细»
block valve断流阀详细»
block valve〔名词〕阻流阀详细»
断流阀cut-out valve;disconnecting valve详细»
断流阀shut-off valve;stop valve详细»
断流阀shut off valve;stop valve详细»
断流阀disconnecting valve;stop valve详细»
断流阀disconnecting valve详细»