1·At Linfen, residents have said they literally choke on coal dust in the evenings.
临汾的当地居民说，到了晚上，煤尘让他们几乎窒息。
2·The tunnels are filled with exhaust emissions, coal dust and the roar of blasting.
隧道里充满着排出的废气、煤尘和爆破声。
3·He became ill after breathing in a lot of coal dust for many years.
多年来他吸入了大量煤尘，后来他得了病。
4·Objective: To find a method for promoting healing of facial burn wounds caused by coal dust explosion.
目的：寻求促进面部煤尘燃爆伤创面愈合的治疗方法。
5·We ran it on sawdust, cubed wood, coffee grounds and coal dust.
我们跑它木屑，立方木材，咖啡的理由，煤尘。
1·The windblown dust from the Loess Plateau, along with a layer of local coal dust, had settled on her shoes.
风带来了黄土高坡的尘土，掺杂着一层当地的煤粉，落在了她的鞋上。
2·A specially-designed addition agent is used instead of coal dust in green molding sand for the trial production of impact molding line made by GF company.
本文对于我厂在新铸造车间引进的GF气冲造型线上所用的型砂不添加煤粉。
3·Three kinds of leakage proof measures for coal dust fan are introduced.
介绍了煤粉风机的三种防泄漏措施。
4·If air is used as a carrier for transporting the powdered substances (such as the coal dust, the metal mineral powder and the flour), explosions are easy to cause.
若以空气为载体运送粉状物质(如煤粉、金属矿粉、面粉)，容易导致爆炸。
5·The gas evolution test method has the advantage that the effective coal dust content in green sand can be determined rapidly and accurately.
发气量 试验方法的优点是能够迅速和准确地确定 型 砂中有效煤粉的具体含量。