您要查找的是不是：
- vitamin PP pellagra preventive factor PP因子, 抗癞皮病因子, 维生素PP
- pellagra preventive factor, vitamin PP PP因子, 抗癞皮病因子, 维生素PP
- niacin pellagra preventive factor 抗糙皮病因子, 抗蜀黍红斑因子, 烟酸
- pellagra preventive factor, niacin 抗糙皮病因子, 抗蜀黍红斑因子, 烟酸
- nicotinic acid amide-original called p-p for pellagra preventing 维生素PP, 烟酰胺, 烟酸
- What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
- Please take some preventive medicine now. 请吃些预防药吧。
- We had to take preventive measures. 我们不得不采取预防措施。
- The authorities took measures to prevent tax fraud. 当局已采取措施防止偷税漏税。
- Does prison do anything to prevent crime? 采取关押方法对制止犯罪有作用吗？
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Stir the sauce to prevent it lumping. 把沙司搅拌一下以免结块。
- niacinamide, nicotinic acid amide-original called p-p for pellagra preventing 维生素PP, 烟酰胺, 烟酸
- We should take steps to prevent war. 我们应当采取措施制止战争。
- nicotinic acid amide-original called p-p for pellagra preventing niacinamide 维生素PP, 烟酰胺, 烟酸
- Preventive measures are essential. 预防手段是必要的。
- It consists of high strength pp woven cloth. 袋体是高强度的聚丙烯塑料编织布，袋口有吊带，方便吊装操作。
- Nobody can prevent him from running the risk. 没有人能够阻止他去冒险。
- I can't play PP, but I can play tennis. 我不会打乒乓球,但我会打网球。
- Buying Machinery For Producing Woven PP Bags. 信息主题:伊朗求购无纺布袋。
