Air tank can p___many hours of air

Air tank can p___many hours of air Tank do you need everyone______(carry)the air tank for you? if the air in a tank is removed with each stroke of a vacuum A tank of 0.1-m3 volume contains air at 25oC and 101.33 kPa.The tank is connected to a compressed- who can live without air septic tank water tank A helmet is a large hard hat that protects the head and is conneted to the air tank翻译 We can get f___ air in the open air. The air conditioners can cool the air.英语解释句子改成The air conditioners can ( )the air ( ).急 英语翻译we can't live on air. Trees can make our air ____.(colore) N_______ living things can live without air. Trees can help____(fight)air pollution. Students can`t tank magazines out of the reading_room 改成被动语态 tank怎么样 Tank是谁 Tank you