词语poppet valve
解释提升阀,提升活门
poppet valve提升阀,盘杆阀详细»
poppet valve提升阀,提升活门详细»
poppet valve〔名词〕升降阀,盘阀,提升阀详细»
poppet valve〔名词〕提升阀详细»
poppet valve〔名词〕提升阀,指升式气门详细»
poppet valve提升阀详细»