回风井的英文

• return air shaft

• 回风:    return air
• 井:    well
• 风井:    [矿物学] ventilating shaft; air shaft; removing shaft◇风井井筒 air shaft
• 回风:    return air◇回风道 [矿物学] air return way; top road; 回风巷 return airway
• 出风井:    upcast air shaft; upcast rentilating shaft

例句与用法

1. Pregrouting technology at surface ground for ventilation shaft sinking in liuzhuang mine
   刘庄煤矿回风井井筒地面预注浆技术
2. At a southern indiana coal mine , an accident at an airshaft killed three people
   印第安纳州南部煤矿发生一场事故造成回风井内三名工人死亡。