The active ingredient is acetylsalicylic acid.有效成份是[乙水杨酸].Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.A n...
想要进入赞比亚应该经由奇龙杜边防哨所。The point of entry into Zambia would be the Chirundu border post.必须端掉锯木厂边的哨所.It is necessary to exterminate the post at the sawmill.两个哨所的间距是50米.There is an interval of 50 meters between two posts....