trailing bar
犁壁覆土板 coverboard
预制混凝土覆盖板 Precast Concrete cover slab
·2,447,543篇论文数据，部分数据来源于NoteExpress
统计表明该浅层软土含水量高、原位十字板剪切强度和有效上覆应力的比值约为0．2-0．4。
The statistical results show that the clays have high water contents, and the ratio of their vane test strength vs. the effective overburden pressure ranges from 0.2 to 0.4.
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