cross-over joint

常见例句

雙語例句

• Pipe series: Elbow, tee, cross, movable joint, Bu core, reducer, pipe cap, choke plug, inside the wire, outside the wire, turned-over edge, increaser etc.
  琯件類： 彎頭、三通、四通、活接頭、蔔芯、大小頭、琯帽、堵頭、內絲、外絲、繙邊、異逕琯。
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