當我要做抽痰的工作時，首先，我會用我的雙手將套管先弄鬆，之後我再用單手

When suction work is when I want to, first of all, I would use my hands the sleeve to loosen, then again with one hand easy to take down. Because removing it is not with brute force, took over not only will shift and an external casing will burst. External structure where there is a 90-degree turn, where it is most vulnerable in this structure.

When I do 抽痰 work, first of all, I will use my hands to loosen the sleeve, after I use one hand it is easy to take it down. Because removing it is not used brute force, not only within the takeover will shift and the external casing will produce rupture. There is an external sleeve structure 90 degree turn in place, it is this structure is the most vulnerable place.

When I'm going to do the work, first of all, I will use my hands to get the casing loose first, then I use a single hand will be very easy to take it down. Because it can not be used to take a brute force, not only within the tube will shift and the outer casing will be broken. The outer sleeve has a 90 degree turn, which is the most vulnerable area of the structure.