air check的用法和樣例：
例句
- The equivalency of an automated single check system to a manual check must be shown, however, and this might not always be possible.
一個(gè)自動(dòng)的信號檢查系統應當是和手工檢查是等價(jià)的，然而這個(gè)可能不總是存在的。
- Between the fibers are many small pockets of air.
纖維之間有很多小氣泡。 - Methods were proposed to prevent air entrain-ment.
同時(shí)提出了充模過(guò)程中防止氣泡卷入的措施。
