In Sitai mine,the production was restricted by the washery capacity.The bar screen was reformed and gained good result.

 
  • 針對四臺礦選煤廠(chǎng)制約井下生產(chǎn)的問(wèn)題,改造其原煤車(chē)間篦條篩,達到了理想效果。
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