Several other cannulas are inserted to allow the surgeon to work inside and remove part of the colon.
病人的腹部还要放入其他的套管，用于让外科医生用于实施手术、切除部分结肠。
The entire procedure may be completed through the cannulas or by lengthening one of the small cannula incisions.
全部手术可以完全利用套管进行或者需要扩大其中一个套管的切口。
Several cannulas are placed in different locations on your abdomen to allow your surgeon to place instruments inside your belly to work and remove your spleen.
几个套管将被放在你的腹部的不同的地方，以便于你的外科医生把手术设备放到你的肚子里，并切除脾脏。
This thesis, by analyses of engineering examples, proved that technical-and-economic contrasts are necessary in the setting of waterproof cannulas, and that different ways should…
通过对规范的分析、对套管防水机理的研究，认为设置防水套管要进行技术、经济比较，不同部位要区分对待，并提出了穿越楼面的处理办法。
This thesis, by analyses of engineering examples, proved that technical-and-economic contrasts are necessary in the setting of waterproof cannulas, and that different ways should…
通过对规范的分析、对套管防水机理的研究，认为设置防水套管要进行技术、经济比较，不同部位要区分对待，并提出了穿越楼面的处理办法。
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