Coal dust

Coal dust读音音标

Coal dust意思解释

释义

煤炭粉末；

英英释义

Coal dust is a fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal. Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal.

双语例句

用作名词(n.)He carried out trial runs using rockets stuffed with coal dust.他用填满煤粉的火箭式烟火装置来进行试验。Experiments on coal reburning were carried out on an entrained flow reactor.在煤粉携带炉上进行再燃实验。