冷却水循环接头
circulating connection
露缝接头
open joint
螺纹活接头
threaded for union
滤气器滤筒
air cleaner cartridge
滤气器元件
air cleaner element
离心过泸
centrifugal filtration
离心过泸器
centrifugal filter
离心泸油器
centrifugal oil filter
连续逆流沥泸
continous countercurrent leaching
流线式过泸器
edge filter
泸饼洗涤
filter cake washing
泸尘袋
bag dust filter
泸管
chimney filter
泸菌器
bacteria filter
泸清器
cleanser
泸色光度法
filter photometry
泸叶
filter leaf
痨病气味
phthisicus odor
老年肺气肿
Jenner's emphysema; senile emphysema
老气
old mannish