气压

meaning for 气压 qìyā:

  • - atmospheric pressure
  • - barometric pressure
zài在
shuǐmiàn水面
shàng上
yòng用
yuánzhù圆柱
huósāi活塞
jiāyī加一
gè个
dàqìyā大气压
de的
qìyā气压
ㅤ。

And I put a cylinder with one bar pressure on top.