Based on special engineering properties of expansion soils, influence factors of swell-shrink distortion are analyzed.
针对膨胀土特殊工程性质,分析了胀缩变形量的影响因素。
Impact resistance: the use of special engineering plastics, to ensure that the products can withstand strong impact and shock.
抗冲击力:使用特制工程塑料,确保产品可经受强力碰撞和冲击。
Burnt rock is come into being coal bed self-ignite and bring wall rock metamorphose and has special engineering geological characteristics.
烧变岩是煤层自燃引起周围围岩变质而形成的,具有特殊的工程地质性质。
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