Air Pressure Wave in Tunnel  隧道压力波; 电磁脆弱度

crossing pressure wave of trains  列车交会压力波

miro-air pressure wave in tunnel  隧道微气压波

sensation of pressure in the head  头胀

maxima of wave of the end portion  尾震之最大波

the wave in the ocean  海洋波动

the wave trains in East Asian summerl  东亚夏季波列

The air of the workplace  工作场所空气

enlarge the mining in the open air  扩大露采

in the open air  在户外

absolute static pressure of the fluid  流体绝对静压

air pressure of big secondary air box  二次风大风箱风压

Air Pressure of Tire  轮胎气压

air pressure wave  隧道压力波; 空气压力波

balance of air pressure  风压平衡

calculating the pressure of pump  泵压计算

center of air pressure  风压中心

Coefficient of air-pressure  气压

computating the pressure of every stage repedatedly  各级压力复算