effective operation短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 有效的作用 Conclusion: Repairing umbilical hernia in adults with artificial synthetic material mesh is a kind of safe, effective operation. It should be performed correctly and on casetocase basis. 结论：采用人工合成材料修补成人脐疝是一种安全、可靠的方法，应根据病人的情况，采用不同的补片和疝修补方式。 zgsyz