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...
Copula net diagram is an important tool for guiding the cupola operation.网形图是指导冲天炉熔炼操作的重要工具.In ` George became ill', the verb ` became'is a copula.在Georgebecameill一句中,became是系词.Kendall is criterion of comparing...