Tongshan

• n. 铜山

例句

用作名词 (n.)

1. Sill pillared mining has been used in Tongshan Copper Mine where high tonnage of ore has been reserved in the sill pillars.
   铜山铜矿采用有底柱采矿法留下的底柱矿石量较大。
2. This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine.
   本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。