foundation treatment in soft formation 软弱地基处理
ultra soft formation 特软地层
underlying soft formation 下卧软土层
soft-formation cutter head 软岩用三翼岩心钻头
Low compressive strength of the soft formation, such as mudstone, gypsum, gypsum, soft shale, soft limestone, sandstone.
低抗压强度的软地层，如泥岩。石膏。盐岩。软页岩。软石灰岩。砂岩。
The third fossil formation containing both soft-bodied and hard-bodied animals provides evidence of the result of the Cambrian explosion.
第三个化石地层中既有软体动物，也有硬体动物，为寒武纪大爆发的结果提供了证据。
The Ediacara fossil formation, which contains the oldest known animal fossils, consists exclusively of soft-bodied forms.
包含已知最古老的动物化石的埃迪卡拉化石组，只含有软体动物。
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