压缩机轴承箱油封漏油? 检查过迷宫密封间隙? not yet, the machine trains were just startup for two days, and the main plant had already been running, if we stopped them, we need several days to open the labyrinth seal and check it, that is not what we can afford to waste of the time for pta production. "it is a kind of different design" was what we got from man. 查看更多