混凝土的缓慢而精心的养护可以改善水泥的水化作用.Slow, careful curing of the concrete improves the hydration of the cement.玻璃珠凝胶在使用之前不需要水化.Glass bead gels need not be hydrated prior to use.换言之, 它们是水化硅酸盐.In other words, they are hydrous silicates...
The mayor had become ineffectual in the struggle to clamp down on drugs.市长打击毒品的努力未见成效。Teachers often view youth workers as undisciplined and ineffectual.老师们常认为青少年工作者纪律性差且能力低下。The years of ineffectual service count big in...
Get hold of the company list from your careers advisory service.到就业指导处领取企业名录。The only electrician we could get hold of was miles away.我们唯一能够联络到的电工离这里有好几英里远。He first had to get hold of some basic facts.他首先得弄清一些基本事实。...