barrel-drain

基本解释

The anaerobic enrichment, which can degrade hexachlorobenzene effectively, was selected from the sewage sludge in barrel drain of a chemical plant in Wuhan.
并通过选择性培养基从武汉市某化工厂水沟的底泥中筛选出对于六氯苯具有良好降解效果的厌氧菌群。
Drain off the rest of the wine from this barrel.
把桶里剩余的酒排出去。
Chock the barrel up or else it will roll over.
用楔子塞住圆桶,不然它会滚过去。
That maths exam I took was a regular brain drain.
绞尽脑汁的数学测验，我真是绞尽了脑汁。
The beer comes out of the barrel under pressure.
啤酒受到压力从桶中流出。