self-raising英'selfr'eɪzɪŋ美'selfr'eɪzɪŋBNC⁵⁵⁰¹³ 基本例句 搀有发酵粉的面粉 Taking nickel catalyst system as an example, the effects of dissolved oxygen on butadiene polymerization and the result of using the pressure-self-raising- unit were analyzed. 以镍系催化剂为例，考察了溶解氧对丁二烯聚合系统的影响，并考察了使用升压器后的作用效果。 cnki