常見例句

雙語例句

• It is suggested that the plenum ventilation should be first adopted in principle in the ventilation planning of uranium mines.
  建議鈾礦井通風(fēng)工程設(shè)計中應(yīng)優(yōu)先采用壓入式通風(fēng)方式。
返回 plenum ventilation