Buying Tungsten, molybdenum, titanium, nickel, cobalt, tungsten wire cutter, all kinds of finished products and scrap carbide, tungsten carbide powder casting, welding rod carbide, tungsten carbide casting electrode, cerium tungsten electrode and various miscellaneous waste nickel , Drawing module, all kinds of mines, alloy powder, geological tools drill, drill oil fields.
基于1个网页-相关网页
This paper discusses the concept of main development tunnels and the classifications of development methods and describes the application of all kinds of development methods in gold mines.
本文讨论了主要开拓巷道的概念和开拓方法的分类，以及各种开拓方法在黄金矿山的应用。
The mechanism of production and the hazard of the acid waste water from all kinds of sulfurous mines are studied in this paper.
讨论了普遍分布的各种含硫矿山所排放的酸性废水的产生机理和对水质产生的环境危害影响。
They pulled loads of wood, carried things up to the mines, and did all kinds of work that horses did in the Santa Clara Valley.
他们拉着一捆捆的木材，将东西运到矿区，还干着在圣克拉拉山谷里只有马才干的各种杂活。
应用推荐