首页 >  Term: normal air
normal air

A mixture of dry air and water vapor, varying from 0.1% to 3% by volume (usually over 1% in mines).

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
  • 100% positive feedback
© 2024 CSOFT International, Ltd.