... 差(Bad) ---------------优(Excellent) 施工性(Constructional properties) 优(Excellent)---------------差(Bad) ...
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The paper has introduced constructional properties, applicable sphere of pumping reverse circulation drilling, and its technical demands and the reasons of common hitchs and processing methods.
介绍了泵吸反循环钻进的施工特点、适用范围、施工中的技术要求与常见故障的原因及处理方法。
The constructional column (8) can also be arranged in the external building wall without affecting the insulation properties of the wall body.
建筑外墙中还可设置构造柱(8)，不会影响墙体的保温性能。
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