The major polluting agents are animal wastes, antibiotics and hormones, chemicals from tanneries, fertilizers and the pesticides used to sprayfeed crops.
主要的污染物是动物粪便、抗生素和激素、制革厂的化学品、用于饲料作物的化肥和杀虫剂。
2
A constriction in a powder pump that USES compressed air to lift and transport powder from feed system to the spray gun.
在粉末泵中的收缩能够使压缩空气从喂料系统到喷粉枪提升和搬运粉末。
3
More specifically, the spray bar includes one or more manifolds connected to dedicated feed lines each having a spray head, resulting in improved lateral spray distribution.