A needle aspiration biopsy device (20) includes a syringe (28), a valve coupler (25) for controlling a vacuum in the syringe barrel (30), and an anti-reflux head.
一种针抽吸活组织检查设备(20)，包括注射器(28)、控制注射器筒(30)内真空的阀门连接器(25)以及防回流头部。
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 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 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。
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