【简答题】表面淬火既能改变钢的表面化学成分,也能改善心部的组织和性能。
【简答题】Match the follwing terms with their Chinese equivalent.
【单选题】()是根据交际者双方关系的亲疏程度以及社交场合来决定的。
【简答题】Match the follwing words or phrases wtih the correct definition.
【单选题】如图所示的密闭容器,中间由只允许氧气通过的半透膜分隔。左侧有固体锌和氧化锌,右侧是空气,当平衡时,体系的相数为:
【简答题】Match the follwing English phrases in the first set of data, with equivalent Chinese translation in the second set of data.
【简答题】Match the follwing tradional Chinese festival customs with English expressions
【简答题】Match the follwing English expresisons with their Chinese translations.
【简答题】注射用浓溶液的所用溶剂是()|灭菌制剂的配置溶剂是()|非灭菌制剂的提取溶剂是()|既可以用于灭菌制剂的提取,又可以用于非灭菌制剂的配置溶剂的是()A. 灭菌注射用水B. 注射用水C. 蒸馏水D. 纯化水E. 饮用水