常見例句雙語例句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(rùn)土、基礎(chǔ)油為原料在水為溶劑條件下合成了一種新型潤(rùn)滑脂。 返回 bentonite grease