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...
Cut the fennel into wafer-thin slices.把茴香切成薄薄的小片。She opened her mouth to receive the papery - thin wafer.她张开嘴领受薄薄的圣饼.Single - wafer processes use higher pressures than the batch processes.单片工艺比多片工艺要用较高的压力....