海词手机词典

Overbased magnesium sulphonate using one-step process which adoped the most effectible promoter systems was commercially produced from synthetic alkyl benzene sulfonic acid obtained from UOP dehydrogenate process and magnesium oxide.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌