n.(水管、枪筒等中的)污垢；沉积
动词foul的现在分词形式.
The fouling of sewage heat exchangers is the main factor that impacts the application of sewage cooling and heating source. 摘要污水换热器污垢是影响污水冷热源应用的主要因素。
If debris in the water system continues to cause fouling, a strainer can be installed upstream of the backflow assembly. 如果水系统内的堆积物继续产生污垢，则在回流阀总成的上游要安装一个过滤器。
n.防污塞
vt.弄脏；玷辱
n.生物淤积
生物污损
