The test indicated: mining under-protecting coal stratum leaded different degree of deformation to the overburden stratum,produced a great number of vertical and horizontal crannies. These crannies affected roadway in the overburden stratum. According to different deformation of the roadway,we could ascertain the range of the mining under-protecting coal stratum,and it p...
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Results from the test indicated a clay substitute was sufficient to control clays welling.
测试结果表明，一种黏土替代物可以有效地抑制黏土膨胀。
The test indicated that the products made by the composite met the designing demand.
试验证明：应用该材料制造的产品符合设计要求。
The test indicated that the physical properties of test solution is identical with its blank solution. RSD were less than 2.1%.
实验表明试液的物理性质与空白溶液一致，测定结果的相对标准偏差小于2.1%。
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