短语词组短語loose -flange joint 松套法蘭磐接頭Loose plate joint 密封件loose face joint butt 可折鉸鏈loose tongue joint 抽心接loose face joint 活接loose face joint hinge 活鉸鏈loose joint hinge 可折鉸鏈;活鉸鏈loose joint butt 可折鉸鏈 返回 loose joint