fluorescein formation medium 荧光素形成培养基
medium hard rock formation 中硬岩层
hydrogen sulfide formation medium 梳化氢产生培养基
The numerical simulate result of orthorhombic medium formation and elliptic borehole conditions are presented.
给出了正交各向异性介质地层条件和椭圆井眼条件下波场模拟的结果。
Low compressive strength of soft to medium formations. Such as soft shale, soft limestone, soft sandstone, hard and soft abrasive interbedded medium formation.
低抗压强度的软到中等地层，如中软页岩。中软石灰岩。中软砂岩。和软硬研磨性夹层的中等地层。
Medium hard formation with high compressive strength. Such as hard shale, limestone, sandstone, dolomite, anhydrite and marble.
高抗压强度的中硬地层，如硬页岩。石灰岩。砂岩。白云岩。和硬石膏。大理石。
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