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软地层
1、chlorohydrin formation───氯醇形成
2、conidium formation───分生孢子形成
3、formation company───组建公司
4、granite formation───花岗岩建造
5、soft───n.柔性；柔软的东西；柔软部分；adv.柔软地；温和地；adj.软的，柔软的；温柔的，温和的；软弱的；笨的
6、formation lyrics───编队歌词
7、formation───n.形成；构造；编队
8、droit formation───法律培训
9、rock formation───岩层
1、Directional Drilling Technology for Large Borehole in Surface Soft Formation───表层大井眼软地层定向技术
2、Technique of mechanized heading development supporting at large section starting cut with soft-formation───软弱覆岩条件大断面切眼机掘支护技术
3、Ideal for soft formation drilling; drilling;───适用于软地层钻采工具；
4、Characteristics of Wave Form of Sonic Logging in Soft Formation───软地层中声波测井的波形特征
5、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。
6、Specialized PDC cutters placement extends bit life in soft formation with medium hard and abrasive layers.───新型复合片及布齿可提高钻头在含中等硬度和研磨性夹层的软地层中的使用寿命。
7、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。
8、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。
9、Soft formation with sticky layer───粘软地层
1、Hydraulic fracturing has been unsuccessful because of coal bed and soft formation in Baolang Oilfield.
2、It is used for low compressive strength and exceeding soft formation of high drillability, such as, shale, clay, sandstone, soft limestone, halite, gypsum etc.