目的：探索一个较理想的黏膜环荷包缝合及牵引的方法。
Objective: Discuss a more ideal method of purse string suture and pull of rectum mucosa.
推拿牵引是治疗运动创伤的重要方法。
The traction massotherapy is an important method of curing many movement injuries.
以前粗线条的牵引供电系统设计方法，已不能满足工程建设的需要。
Previous broad-brush design methodology has been unable to meet the demands of project construction.
以前粗线条的牵引供电系统设计方法，已不能满足工程建设的需要。
Previous broad-brush design methodology has been unable to meet the demands of project construction.
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