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...
Ten thousand desperate fighting men, their backs to the sea, held the final perimeter at Buna.一万名殊死抵抗的士兵, 背海作战, 在布纳守住了最后一道防线.By night, the perimeter wire was illumined by lights.到了夜里,周遭的铁丝网都被灯光照亮。Some 300 trees have been...
"Whoa, I'm goin" to Barbay-dos!' ran the jaunty lyrics of a 1970s hit song.“喔，我要去巴巴多斯!”一首20世纪70年代流行歌曲这样欢快地唱道。" There was two cars,'said Michaelis, " one comin ', one goin ', see? "“ 当时有两辆车子, ” 米切...
皂土是一种可膨胀的土层粘土矿物.Bentonite is an expandable three - layer clay mineral.该洗涤工序排出的废水,同其重量的0.15%的胶性皂土混合.The waste liquor from this scouring step agitated with 0.15 % of its weight of colloidal bentonite....