周围的矿井里的确有沼气聚积。Methane gas does collect in the mines around here.雨水聚积在几处洼地里.The rain collected in several depressions.大量的史料不断聚积,他们难以判断从中选择哪些史实.They will hardly know which facts to select from the great mass of evidence th...
I'm pleased to say that he is now doing well and responding to treatment.我很高兴地说，他现在恢复得不错，治疗取得了积极的效果。Supermarkets often claim that they are responding to the wants of consumers by providing packaged foods.超市经常声称他们根据消...
A design example of Kohler illumination system was presented.给出了柯拉照明系统的设计实例.This article presents a technology of pneumatic transmission by pulse Kohler streams.介绍了脉冲气刀式栓流气力输送技术的原理、置、点及工程应用情况,以及在物料气力输送中对节能和环境保护所起的积极作用.Ko...