steeply inclined coal bed
steeply inclined coal bed
急倾斜煤层
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A steeply inclined downward running ribbed belt conveyor is developed according to the funnel layout at Xieyi coal mine in Huainan to meet the demand in coal mining with inclined coal bed.
为适应倾斜煤层开采的需要，结合淮南谢一煤矿巷道布置，研制了一台大倾角下运花纹带式输送机。
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