常見例句雙語(yǔ)例句It is suggested that the plenum ventilation should be first adopted in principle in the ventilation planning of uranium mines.建議鈾鑛井通風(fēng)工程設(shè)計(jì)中應(yīng)優(yōu)先採(cǎi)用壓入式通風(fēng)方式。 返回 plenum ventilation