常见例句双语例句A new kind of grease was synthesized with octadecylamine, urea formaldehyde resin, bentonite and base oil under the condition of water as solvent.以十八胺、 脲醛树脂、 膨润土、基础油为原料在水为溶剂条件下合成了一种新型润滑脂。 返回 bentonite grease