clean

a clean bill of health

健康证明书

a clean sheet

清白的历史

a clean sweep of

彻底扫除

A new broom sweeps clean

新官上任三把火

abrasive cleaner

[化] 擦洗剂

abrasive jet cleaning

[化] 喷砂处理

acid cleaning

[化] 酸洗

air cleaner

[化] 空气滤清器; 空气净化器

air cleaner adapter

[机] 泸气器接头

air cleaner cartridge

[化] 滤气器滤筒

air cleaner element

[化] 滤气器元件

air cleaner filter element

[机] 空气滤清器之滤素

air cleaning process

[机] 风力净化法

air-cleaning

[环境] 空气净化；风力选矿；空气过滤

aircleaner

[电] 净气机

airless blast cleaner

[机] 离心喷光机

airless blast cleaning

[机] 离心喷光

as clean and shiny as the day

明净得像白昼一样,崭新的

as clean as a penny

干干净净的;完全,十分

as clean as a pin

十分整洁,非常清爽,整整齐齐