To compare the clinic curative effect of different drainage method in thyroid adenoma enucleation.
比较甲状腺腺瘤摘除术中两种不同引流方法的临床效果。
The traditional drainage method isn′t practical. Drainage cutting combined with weeper drain could quickly dewater to the designed water level.
用疏导法排水与盲沟排水相结合的技术措施，能快捷有效地把泉水降至设计标高以下。
We can conclude that the method that unites lower-sect coal stack method and mobile drainage method is an effective measure in the control of gas in the working face of high gas mine.
由此得出，降段煤垛与移动抽放相结合的方法是高瓦斯矿井回采工作面瓦斯治理的有效方法。
We can conclude that the method that unites lower-sect coal stack method and mobile drainage method is an effective measure in the control of gas in the working face of high gas mine.
由此得出，降段煤垛与移动抽放相结合的方法是高瓦斯矿井回采工作面瓦斯治理的有效方法。
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