Instead of using composite and chemical synthesis technology, we import birch and beech from overseas and adopt Tenon plug structure to avoid or reduce the use of cementing compound.
我们取材进口天然桦木榉木原木，不使用科技复合技术木板及化工合成塑料板材，木架使用打榫插接构造，尽量减少或不使用胶粘剂。
This paper introduces a new cementing tool named circulating blind pipe, and it's mechanical structure, operation principle and successful applications while cementing a liner in a lost well.
详细介绍了一种新型固井用井下工具——可循环盲板的结构、工作原理及其在漏失井筛管固井中的成功应用。
Soil aggregate is the main component of soil and the basic unit of soil structure. Its formation and stability are realized by the effects of all kinds of cementing substance in soil.
土壤团聚体是土壤的重要组成部分、土壤结构的基本单位，其形成和稳定主要是通过土壤中各种胶结物质的胶结作用实现的。
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