短語(yǔ)詞組短語(yǔ)poppet type valve 提升閥poppet throttle valve 雙座節(jié)流閥poppet t valve 提升閥poppet foot valve 提升式底閥poppet relief valve [機(jī)]提動(dòng)式溢流閥poppet -valve 提閥poppet discharge valve 提動(dòng)排泄閥 返回 poppet valve