【简答题】按照用途分类合金钢可以分为三类,即 、 和 。
【简答题】A.He should consume less salt. B.He should eat less fatty foods. C.He should add more protein products to his diet. D.He should consult to doctors more frequently.
【简答题】A.He should start with a light workout. B.He should go to have a check-up. C.He should eat less fatty foods. D.He should visit a fitness trainer.
【判断题】人的素质主要是由先天素质决定的,后天的环境和教育对人的素质没有影响。
【简答题】合金按照用途可分为 _ _ _ _ 、 _ _ _ _ 和 _ _ _ _ 三类
【简答题】A.He should consume less salt. B.He should eat less fatty food. C.He should add more protein products to his diet. D.He should take in more staple food.
【简答题】合金工具钢按照用途可分为()、()和()。
【单选题】船舶配载后经计算发现平吃水,中垂过大,若要保持船舶纵倾状态不变,则以下调整措施较为适宜的是______。