sealing of a casting的意思|示意

It introduces one kind of new technology — "ladder" -like sealing off a borehole by slipping casting.

提出了一种针对深钻孔的注浆封孔新方法——“阶梯”式注浆封孔方法。

The utility model relates to a mine slip casting pump, in particular to a slip casting pump which is used for the sealing treatment of the gap of the stratum loophole in mines or tunnels.

本实用新型涉及一种矿用注浆泵，尤其是矿井或隧道地层漏洞缝隙封闭处理的注浆泵。