A joint lever is arranged on the joint, and can press the push rod when pulled by a guy cable to open the valve core.

接头上有接头杠杆，在拉索的拉动下能够压动顶杆，打开阀芯。

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Metal Clad Wipers are designed to press-fit into open face rod wiper glands, with no need for snap-rings, face plates, or other retention devices to hold the wiper in the gland.

金属骨架雨刷器的目的是开面棒压入雨刷腺体，配合无单元戒指，花盘，或其他设备需要保留腺体举行的雨刮器。

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