1) contaminant
污杂物
1.
Characters、shapes and stage concentration of the contaminant were defined;And two representative drain pipes in Harbin was been measured by field experiment.
对污杂物的性质、形状以及分级浓度进行了定义,并通过实验在典型时段对哈尔滨市两处具有代表性的污水干渠进行了现场测定。
2) toppings
套毛边缘污杂物
补充资料：触污
1.犹玷污。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。