The specimen is installed inside the aboveground test section.地上试验段参试物安装在管内.Can determine a chemical into the EU limit for hexavalent chromium test instructions.可用化学法进一部确定,欧盟针对六价铬的测试限量指令.Either measure the temperature wi...
So far 57 have taken the test and all have been negative.到目前为止,参加测试的有57人,测试结果均呈阴性。He suggested a link between class size and test results of seven-year-olds.他认为7岁大的学生的测试分数和班级的规模有关系。A positive pregnancy test soon confirme...
铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来.Iron and aluminum compounds precipitate as a voluminous sludge.今天铝的用途多得不可胜数.Today, the uses of aluminum are innumerable.这些反映包括进入的配位体对铝的d空轨的电子给予作用.These reactions involve electrondonation from th...