main (air) cleaning system

• 主净化系统

英英释义

名词 main:

1. any very large body of (salt) water

2. a principal pipe in a system that distributes water or gas or electricity or that collects sewage

形容词 main:

1. most important element

2. (of a clause) capable of standing syntactically alone as a complete sentence

3. of force; of the greatest possible intensity