...ewing speed) : 无极调速 针迹长度(Line length) : 3-8mm 压脚高度(Height of presser foot) : 15mm 缝制厚度(Seam thickness): 1.5-6mm 机针型号(Needle) : DP*1 净重(GW/NW) : 58/56KG 体积(Measurance) : 660*450*540, 三、用途(Use): 适用于运动鞋、休闲...
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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 seam thickness change is one of the main factors effected on coal mining.
煤层厚度变化是影响煤矿开采的主要因素之一。
The seam thickness change is one of the main factors effected on coal mining.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
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。
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