柴油机汽车尾气颗粒物
Diesel exhaust particulate
天然气汽车尾气净化
emission control in natural gas powered engines
多芯过滤装置
multi-element filter unit
机械过滤装置
mechanical screening device
清洗液过滤装置
filter device to washing liquit
室内水过滤装置
domestic water filtration devices
一体化膜过滤装置
integrated membrane filter equipment