double-poppet throttle valve
... poppet discharge valve 提动排泄阀 double-poppet throttle valve 双座节流阀 direct acting poppet type valve 直接作用盘形气门 ...
基于90个网页-相关网页
... poppet throttle valve 双座节流阀 poppet type valve 提升阀 poppet-valve 提阀 ...
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