Wear loss of specimens for these two steels during a certain time show that low carbon high alloy steel is much more resistant to corrosive impact abrasion than high manganese steel.
比较两种材料试样在一定时间内的失重变化情况，表明低碳高合金钢的抗冲击腐蚀磨损性能优于高锰钢。
Back roofs are made from poplar and willow wood. Straw or water-resistant local grass is used for thatch to help minimise heat loss.
顶部用杨木和柳木搭出架子，苫上稻草或防水的当地野草来最大限度地减少热量损失。
The prevalent internal cause was existence of the local bacterial source and loss of the resistant ability of wheat varieties, while the decisive factor was the abundant rainfall in spring.
当地菌源的存在和小麦品种的抗性丧失是发生大流行的内因，春季降水量多是大流行的决定性因素。
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