您要查找的是不是：
- nicotinic acid amide-original called p-p for pellagra preventing 维生素PP, 烟酰胺, 烟酸
- niacinamide, nicotinic acid amide-original called p-p for pellagra preventing 维生素PP, 烟酰胺, 烟酸
- nicotinic acid amide-original called p-p for pellagra preventing niacinamide 维生素PP, 烟酰胺, 烟酸
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- niacin pellagra preventive factor 抗糙皮病因子, 抗蜀黍红斑因子, 烟酸
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- vitamin PP pellagra preventive factor PP因子, 抗癞皮病因子, 维生素PP
- pellagra preventive factor, niacin 抗糙皮病因子, 抗蜀黍红斑因子, 烟酸
- Musk is a kind of strong-smelling substance. 麝香是一种有强烈气味的物质。
- pellagra preventive factor, vitamin PP PP因子, 抗癞皮病因子, 维生素PP
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- dezincification preventive substance 脱锌防止剂
- This substance is soluble in alcohol. 这种物质能够溶解在酒精中。
- Her account was in substance correct. 她的账目基本上是对的。
- Ammonia is a chemical substance. 氨是种化学物质。
- The substance is irritable to sensitive skin. 这种物质对敏感的皮肤有刺激性。
- 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？
- An inert substance used to dilute. 稀释剂一种惰性物质
- The washer for preventing leakage is broken. 那个防漏的垫圈坏了。
- The question was never discussed in substance. 这问题实际上从来没有讨论过。
