airvoid真空airn.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播Air Service Command Advanced Team空军勤务司令部前进小组air core spiral strip transformer带绕式空芯变压器Air Force Executive Dining Office空军伙食管理办公室air conditioner of the automobile汽车空调Air Force Officer Training School空军军官训练学院Air Reserve Unit General Training空军后备役部队一般训练air-lifting reverse circulation气举反循环air pressure balance jacking pipe气压平衡顶管air-driven papilionaceous valve气动蝶阀air-entraining fibrous concrete加气纤维混凝土

1. Air pressure is measured by a barometer.
   空气压力用气压计度量。