a useless or worthless byproduct
无用或无价值之副产品
;,因而发生;, 
发生;
;;,无心,无意识;a useless or worthless byproduct
无用或无价值之副产品
The formation and variation rule of disinfection byproduct in chloramination process were studied.
把氯胺作为一种预氧
,
究了预氯胺工艺中消毒副产物
生成及变规律。
Sugar and its byproduct are the basis of the island’s economy.
糖及其副产品是这个岛国经济基础。
Becoming a baseball fan was a byproduct of my research into sport on TV.
我成了棒球迷,是究电视体育节目副作用。
There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.
一硝基甲苯是生产多种精细工产品生产中间体,工业用途广泛。
Electron-withdrawing groups (F, CF 3) decreased the efficiency of the transformation, which has as byproducts benzonitrile and phenethyl N -acetamide.
电子集团撤回(六,比照3)转换效率降低,而作为副产品和苯氮苯甲-乙酰胺.
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