Only differences in enthalpy are of practical engineering interest.在实际工程上有意义的只是热含量之差.A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.The enthalpy is constant in the throttling process.节流...
His attitude has softened.他的态度软了下来。All at once, Mick's serious expression softened into a grin.米克严肃的表情一下子变成了笑脸。The boy has softened up the plasticine with his fingers.孩子把橡皮泥捏软了.The ice cream softened and began to me...