接头两端可任意偏转，便于自由调节轴向或横向位移。
Both ends of the joint can be arbitrary deflected for free adjustment of axial or lateral displacement.
接头两端可任意偏转，便于自由调即轴向或横向位移。
Both ends of the joint can be arbitrary deflected for free adjustment of axial of lateral displacement.
接头两端可任意偏转，便于自由调即轴向或横向位移。
Both ends of the joint can be arbitrary deflected for free adjustment of axial of lateral displacement.
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