backfill造句
2024年06月12日 11:07:16
At last, some suggestions were raised for the concrete
backfill mining.
最后對(duì)具體的充填開(kāi)采方法提出了建議.
This article is good for promotion of
backfill.
本文對(duì)充填技術(shù)的推廣,具有一定的參考價(jià)值.
The upward drift stoping with
backfill is a mining method with a widespread use future.
上向進(jìn)路充填采礦法是一種具有廣闊應(yīng)用前景的采礦方法.