seam thickness 层厚 ; 缝制厚度
total seam thickness 煤层总厚度
useful seam thickness 可采层厚度
extracting seam thickness 采煤层厚度
coal-seam thickness 煤层厚度
Influence of Coal Seam Thickness 煤层厚度的影响
seam thickness variation 煤层厚度变化
useful l seam thickness 可采层厚度
coal seam thickness change 煤层厚度变化
The presence of geological units of gas under control of rock mechanical properties, fault distribution, seam thickness.
各自然地质单元瓦斯赋存情况受其围岩力学性质、断层分布、煤层厚度等地质因素控制。
It can cuts the whole seam height in one trip, and accommodate the changing of seam thickness and floor undulation.
它可以一次采全高，并且能适应煤层厚度变化和底板起伏不平的条件。
Reasonable down from feeding mechanism to ensure that does not wrinkle when sewing thin, continuous line when the seam thickness.
合理的倒、顺送料机构确保缝薄时不起绉，缝厚时不断线。
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