Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed.研究以苯酐、甲醇为原料合成邻苯二甲酸二甲 酯 的方法.Methanol can also degrease the skin, which may cause dermatitis.甲醇也会引起皮肤脱脂, 引发皮炎.The colorl...
Hardware stores have sold out of water pumps and tarpaulins...五金店内水泵和防水油布已经卖光了。Hardware stores have sold out of water pumps and tarpaulins.五金店内水泵和防水油布已经卖光了。Each disaster - medical - aid center be equipped with colored ta...
Dietary experts can advise on the ins and outs of dieting.饮食专家可以对日常饮食的方方面面提出建议。She has already lost around two stone through dieting.她通过节食已经减掉了大约两英石的体重。Dieting is a mug's game.傻瓜才节食。...