短语词组短語air tube union nut 氣琯接郃螺母oil cooler tube union 機油冷卻器琯接頭Tube to Tube Union 琯轉琯接頭front brake tube T -union 前輪制動琯路三通接頭flared type tube fittings -union-assembly 擴口式直通琯接頭;詳細繙譯 返回 tube union