基本解釋安全閥英漢例句雙語(yǔ)例句The manual withdrawal device realizes the withdrawal and discharging on the withdrawal objects by driving the bottom frame and the blow off valve to move up and down through the pull rod.本實(shí)用新型通過(guò)拉桿 帶動(dòng)底閥、排空閥的上、下運(yùn)動(dòng)，實(shí)現(xiàn)對(duì)抽取對(duì)象的抽取排出。ip.comblow through valve更多例句詞組短語(yǔ)短語(yǔ)blow -off f through valve 吹通閥門blow through valve更多詞組