dustproof

dustproof cap 防塵蓋

Dustproof Antifouling 防塵防污

dustproof package 防塵包裝

Dustproof Coating 防塵塗料

dustproof mask 防塵口罩

industry dustproof 工業防塵

dustproof cover 防塵罩 ^[1] 

Perfect seal the bottom and the surface, waterproof and dustproof.完美密封的底部和表面，防水和防塵。

With a seal, thermal insulation, sound insulation, fire protection, anti-static, anti ultraviolet radiation, anti arc, dustproof, mothproof, anti impact function.具有密封、保温、隔音、防火、防靜電、防紫外線、防弧光、防塵、防蟲、防衝擊等功能。

It should be in full close state when long stored. add lubrication to the transmission part and the device should be dampproof and dustproof.閥門長期存放時應使設備處於關閉狀態，各傳動部位加潤滑油。傳動裝置作防潮、防塵處理。 ^[1]