- dust fall
◇降尘量 dustfall content; 降尘室 dust-settling compartment
- 降尘袋: dust settling pocket
- 降尘管: main duct; windmain
- 降尘量: dustfall content
- 降尘器: dust-settling tank
- 降尘室: drop out chamber; dust setting compartment; dust settling chamber; dust settling compartment; dust-settling compartment
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