在病者傍边把针头锁接与套管针端口连接上。
Connect the Luer lock to the trocar port on the patient side.
套管一旦发生粘扣，直接影响到套管柱的密封性能和连接强度。
The gluing deteriorates seal performance and connection strength of casing directly.
上套管和下套管通过螺纹管连接在一起。
The upper sleeve is connected with the lower sleeve via a threaded tube.
上套管和下套管通过螺纹管连接在一起。
The upper sleeve is connected with the lower sleeve via a threaded tube.
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