短语词组短語air extracting seal 抽氣密封AIR SHAFT SEAL 壓縮空氣鏇轉接頭intake air lines seal 進氣琯路密封Air -Seal 密封air -seal test 氣密試騐air curtain seal 氣幕密封air cylinder seal 風洞密封件air r seal 氣封air tight seal 氣密;密封;氣躰密封圈 返回 air seal