dimethyl disulfide短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 二甲基二硫醚 The main constituents of the waste gas include hydrogen sulfide, ammonia, dimethyl benzene, benzene, methyl benzene, phenol, hydrocarbon, methyl mercaptan, dimethyl sulfide and dimethyl disulfide. 废气主要组成为硫化氢、氨气、二甲苯、苯、甲苯、酚、烃类、甲硫醇、甲硫醚、二甲二硫等。 zshg