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大家在查：灵性精神只顾图谋 to Adipic KdV方程皮特•哈代营养化西蒙弗雷泽 34.95% Stressing Force 27-35

沙土层

沙土层

沙土层

沙土层

1

A method of solid waste disposal in which refuse is buried between layers of dirt so as to fill in or reclaim low-lying ground.

废渣埋填法：一种将废物埋于沙土层之间以填高或利用低地的处理固体废物的方法

2

Study on Loading Distribution Law on Key Roof and Its Structure Upon Mining Face Under Thick Sandy Layer

厚沙土层下采场顶板关键层上的载荷分布

3

Simulating test on damage regularities of thick sandy soil layer and load distribution on key roof block in shallow coal seams

浅埋煤层厚沙土层顶板关键块动态载荷分布规律

4

Studies on load-transmitting factor of thick sandy soil layer on key roof stratum in shallow seam mining

厚沙土层在顶板关键层上的载荷传递因子研究

5

Thick Sand Stratum on Roof ;

顶板厚沙土层；

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