短語詞組短語air extracting seal 抽氣密封AIR SHAFT SEAL 壓縮空氣旋轉接頭intake air lines seal 進氣管路密封Air -Seal 密封air -seal test 氣密試驗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;氣體密封圈 返回 air seal