Coking residuary water contains phenol and cyanogens, which contaminate water source badly. Therefore, the coking residuary water has to be dealt with and discharged.
焦
含酚、氰
很广,对染严重,焦必须加以处理,合格后才能排放。
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（二） O endless vocatives that would still leave expression slipping helpless from the measurement of mortal folly! — that residuary legatee was Joshua Rigg, who was also sole executor, and who was to take thenceforth the name of Featherstone.
哦，无尽的呼唤仍然会让表情因对凡人愚蠢的衡量而无助
滑落！- 剩余的受遗赠人是约书亚里格， 他也是唯一的执行人， 从
他将使用费瑟斯通的名字。
