air quality level的用法和樣例：
例句
- Customer service is directly proportional to the rate of productivity as well as to the quality level.
客戶(hù)服務(wù)是成正比的生產(chǎn)率以及質(zhì)量水平。 - The goal for a collage or a university is to show that its programs meet accepted levels of quality.
一個(gè)學(xué)院或者學(xué)校的目標就是要使它的計劃滿(mǎn)足可接受的質(zhì)量水平的要求。
