There's no light pollution there so I had to set up my equipment using a torch.
因为这里没有光污染，所以我必须举着手电筒搭好我的拍摄装备。
2
For example, I remember touring a manufacturing plant 20 years ago and the plant manager telling me that nearly all of his new capitalization expenses were going toward pollution-control equipment.
比如，我记得20年前，我参观过一个加工厂，厂长告诉我，几乎所有的新资本费用都投入到了污染控制设备。
3
All these solid pollutants may jam tiny hole, air lines, equipment and valve, also caused the pollution of powder coating workpieces.