常见例句雙語例句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、 脲醛樹脂、 膨潤土、基礎油爲原料在水爲溶劑條件下郃成了一種新型潤滑脂。 返回 bentonite grease