水的纯度定期检测。The purity of the water is tested regularly.要求学生们检验铜的纯度.The students are asked to prove the purity of copper.我们可以保证它的纯度.We can guarantee it pure....
叶轮可用角钢制成.The vanes are made of structural angle iron.这种装置的运转情况与叶轮泵很相似.This device operates similarly to the vane pump.叶轮有开式 、 半闭式和闭式三种, 如图 2-2 所示.Impeller are open, and closed three - Banbi, as shown in Figure 2 - 2 ....
It was first published in 1914 in a highly expurgated version.它初版于1914年，当时删除了大量内容。The writer expurgated some parts from his novel when he read the third times.作家第三次审稿时又删去了几部分.He heavily expurgated the work in its second ...
Decadent be kind of mentation return kind of life condition?颓废是种心理状态还种生活状态?Sedi - mentation rate increases with resin grain increasing and temperature rising.树脂粒径越大,温度越高,沉降速度越快.The article presents the systems function, ...