capacitor discharge type exploders for coal mines 煤矿用电容式发爆器
network blocking exploders for coal mines 煤矿用网路闭锁发爆器
gas blocking exploders for coal mines 煤矿用甲烷闭锁发爆器
municipal refuse landfills not only impropriately occupy abundant city land, but also make much useful resource for instance carbon, hydrogen, kalium, calcium, magnesium, phosphor, iron, manganese, copper wasted, even more have environment damaged, sometimes bring exploders 摘要城市垃圾填埋场占用了大量的城市用地,并使得许多可利用资源如适量的碳、氢、钾、钙、镁、磷和微量的铁、锰、铜等元素被浪费,而且污染并破坏了周围的生态环境,有时候还引起爆炸。