An odor of copperas issued in puffs from the roofs of the neighboring factory.
阵阵硫酸化合物的气味从附近一家工厂的房顶上冒出来。
2
The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on.
石居里铜矿床矿石中主要矿石矿物由黄铜矿及黄铁矿等组成。
3
Copperas prepared by a reduction method of mechanically activated pyrite from pyrite cinder is featured by low cost, fast reaction speed and high quality.