他们开始了一段经济紧缩的过程.They began a process of economic deflation.这个较紧缩的频率范围不适用于烃类.With this restricted frequency range it is not applicable to hydrocarbons.通货紧缩的意思是物价普遍下降, 通常随之而来的是利润降低,就业机会减少.Deflation means falling prices, usu...
The other main type of chemical pulping is called the sulfite process.另外一种重要的化学制浆称亚硫酸盐工艺.Introduced into a batch pulping process, this control method performs very well.我们在造纸车间的纸浆蒸煮过程中采用了这种控制方法,取得了良好的效果.Wasterwater from ...
It's easy to get a tummy upset from river water.喝河水很容易闹肚子。If I get another tummy ache, I will wire you to come.如果我再肚子疼,我会发电报让你来.She'd undergone 13 operations, including a tummy tuck.她已经做了13次手术，包括一次腹部瘦身整形手术。...