字典網>> 英漢字典>> B開頭詞條>>blow-off pet cock的意思 漢英字典blow-off pet cock中文翻譯：【機】 排氣栓blow-off pet cock相關詞條：blow-down valve blow-off cock blow sth out blow-run method blowout coil blow one's own horn blowing-in blowdown stack blow upon blow away the cobwebs