短語詞組短語seal air pipe 翻譯;密封空氣管seal for pipe joints 管道密封;翻譯SEAL FLUSH PIPE PLAN 密封沖洗路圖seal water pipe 水封管seal -pipe 封閉管道rubber seal for pipe connecting 管接頭橡膠密封dry seal pipe thread 干封管螺紋air seal pipe 翻譯;空氣密封管Water seal pipe 水封管 返回 seal pipe