“换气”造句

从溶剂浓度的角度来看, 凹印的室内换气管理是必须的.
From solvent concentration point of view, gravure micyoco pissed management is necessary.

观察胸廓起伏并行肺部听诊明确是否充分换气.
H . Observe lung inflations and auscultate the chest adequate ventilation.

学会换气让你觉得完全不一样(游得更好).
Being able to control your breathing makes a big difference.

• #换气