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- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- Inversive Study on the Changing Law of Coal Seam Permeability 煤层透气性变化规律的反演研究
- A seam broke open at the sleeve. 袖子上接缝处裂开了一点。
- A torn or split place, especially along a seam. 裂口破损或撕开的地方，尤指沿缝合处
- coal seam permeability 渗透率
- seam permeability 煤层透气性
- seam permeability coefficient 煤层透气性系数
- This seam of coal reposes on a layer of clay. 这个煤层处于一层黏土岩之上。
- The first is the channel theory of permeability. 第一个是透过度的通道理论。
- We can mend a seam but not a big hole. 我们可以缝好脱线处，但不是补大洞。
- The suit is sewn up along the seam by hand. 这套衣服是手工缝的。
- Cancel water vapour permeability coefficient. 取消了水蒸气渗透系数。
- A seam of ingeous rock crops out at that point. 一层火成岩在那儿冒出来。
- Air resistance See Air permeability. 空气阻力参阅透气度。
- A method of joining hemmed edges by crisscrossing thread over an open seam. 花式针迹接缝将线在接缝处十字交叉缝边的一种方法
- Tube can be with seam or without. 管子可以是有缝的或是无缝的。
- Rocks have better water permeability than sand. 岩石的透水性不如沙土。
- Bust dart seam allowance must be ironed upward. 胸折止口要烫向上面。
- The seam of the coat was pulled. 外套上的线缝被撕开了。
- The slot seam is a decorative seam. 嵌条缝是一种装饰缝。
