自2005年投运以来，逐渐出现了一些由于设计原因产生的缺陷。磨盘迷宫密封出现了漏风、漏粉、漏渣现象。

Some design defects occurred since it was put into operation in 2005. The labyrinth seal of grinding table had wind leakage, coal powder leakage.

youdao

自2005年投运以来，逐渐出现了一些由于设计原因产生的缺陷。磨盘迷宫密封出现了漏风、漏粉、漏渣现象。

Some design defects occurred since it was put into operation in 2005. The labyrinth seal of grinding table had wind leakage, coal powder leakage.

youdao