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1·This paper analysed causes of concrete strength not enough.

分析了导致混凝土强度不足的原因。

2·Refer to Architect's General Specification for concrete strength and mortar mix.

混凝土强度及灰浆混合比例须参照建筑师之基本规范。

3·The way to influence the concrete strength is floc and arborization formed in concrete.

影响混凝土强度的方式是在混凝土中形成絮状集合体和树枝状细脉。

4·Fiber concrete mixture design is an important part of assuring fiber concrete strength.

纤维混凝土配合比设计，是确保纤维混凝土强度的重要环节。

5·A constructive formula of ultrasonic-rebound method to test concrete strength is presented.

一种超声回弹综合法检测混凝土强度的推定公式被提出。

6·The paper presents some points for attention in regression analysis of concrete strength data.

本文提出了有关混凝土强度数据回归分析的几个应注意的问题。

7·The proper evaluation of concrete strength is the principal part of the acceptance of concrete work.

混凝土强度的正确评定是混凝土分项工程质量验收与评定的主要组成部分。

8·The accuracy of concrete strength evaluation has a great influence on the safety assessment of structures.

混凝土强度评定的准确性对结构物的安全性评价具有很大的影响。

9·The construction practice proves that the grouted concrete strength higher th an the normal concrete strength.

施工实践证明，底孔压浆混凝土强度高于普通混凝土强度。

10·The accuracy of the concrete strength obtained from on site testing is closely associated with the security of structure.

混凝土强度现场检测结果的准确性直接关系到结构的安全性。