露天矿硬质路面运输道路除尘的传统方法是向路面洒水。但此法只能暂时起作用，一旦路面再度干燥、排尘量可能更大，因为水常促使路面质量每况愈下。为了解决这个问题，美国威特柯公司（WitcoC0rp．）推出一种名叫C0herer的以石油树脂为基质的阻尘剂和灰尘湿润剂。将此物的稀释 The traditional method of dedusting hard-surfaced road in opencast mine is to sprinkle water on the road. However, this method can only work temporarily, once the pavement is dry again, the amount of dust emission may be greater, as water often causes the pavement quality to deteriorate. In order to solve this problem, WitcoC0rp. Introduced a petroleum resin-based dust and dust hunt called C0herer. Dilute this material