... 防止瓦斯爆炸：gas explosion prevention 防止矿石贪化：ore dilution control 防溢板：spill plate ...
双语例句
1
Disadvantages of sublevel caving without sill pillar lie in high ore loss and dilution as well as difficult control of ore loss and dilution.
无底柱分段崩落采矿法存在损失贫化大和损失贫化难以控制的缺点。
2
Compared with other production section, south section ore scale, shape and occurrence are different, and it is difficult to control mining dilution rate in this section.