Terms containing pre-filter

Subject	English	Chinese
nucl.pow.	demineralized pre-filter	床前过滤器
chem.	disk pre-filter	圆盘预滤器
tech.	exhaust air pre-filter	排风前置过滤器
el.	filter pre-coated with ion exchange resin powder	树脂覆盖过滤器
el.	filter pre-coated with ion exchange resin powder= powdex	树脂覆盖过滤器
el.	filter pre-coated with pulp	纸浆覆盖过滤器
tech.	pre-air filter	前置过滤器
surg.	pre-bypass filter	转流前滤器
space	pre-classification filter	预分类过滤器
telecom.	pre-emphasis filter	预加重滤波器
el.	pre-filter	前置过滤器
TV	pre-filter	前置滤光片