Loosen bolts on groove coupler and remove groove coupler and cover plate from valve body.
松开沟槽连接器上的螺栓,从阀体上拆卸沟槽连接器和盖板。
Loosen bolts on groove coupler and remove groove couple and cover plate from valve body.
松开沟槽连接器上的螺栓,从阀体上拆卸沟槽连接器和盖板。
Loosen bolts on groove coupler and remove groove couple and cover plate from valve body.
松开沟槽连接器上的螺栓,从阀体上拆卸沟槽连接器和盖板。
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