最后介绍了竖、斜井漏水裂隙的防渗处理情况。

Finally, it also introduces the anti-seepage treatment to the water-leaked fissure of rising shaft and inclined shaft.

youdao

最后介绍了竖、斜井漏水裂隙的防渗处理情况。

Finally, it also introduces the anti-seepage treatment to the water-leaked fissure of rising shaft and inclined shaft.

youdao