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.
管件类：弯头、三通、四通、活接头、卜芯、大小头、管帽、堵头、内丝、外丝、翻边、异径管。
The utility model is composed of a functional device, an operating rod, a movable joint, a control circuit box, and a cable wire.
它由功能器、操纵杆、活动节、控制电路盒和电缆线构成；
The utility model is composed of a functional device, an operating rod, a movable joint, a control circuit box, and a cable wire.
它由功能器、操纵杆、活动节、控制电路盒和电缆线构成；
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