特殊用法engine fouling1.发动机污脏metal fouling1.【军】炮膛挂铜propellant fouling1.【军】发射药污垢silicate fouling1.硅酸盐污染spark plug fouling1.火花塞积碳fouling of catalyst1.催化剂的污损; 催化剂结垢(包括结焦)fouling of clearance gauge1.侵 入限界fouling of heat exchangers1.换热器结垢