最普通的精加工工序是用机械的方法, 如研磨, 磨削或用磨料抛光.The most common finishing operations are mechanical, such as milling, grinding, or polishing with abrasives.实验中采用磨料磨损的方式.Abrasion wearis taken as the main wear mode in the experiments.磨料水射...
综合评述了所有存在的太空星际空间 、 地球和多种生物体中的线状卡宾碳以及在实验室合成的各种线状卡宾碳,重点评述了线状卡宾碳的稳定性和存在性.The existence, stability and synthesis of carbyne are reviewed and discussed briefly.儿童爬沿海滩搁浅渔民在船上卡宾达1月21日.Children climb a ship stranded along Fisher...
产品广泛用于气体、油品、水等的过滤.The filters are used for filtration of gas . Oil. water etc.本阀适用于空气、水等的管路上作启闭装置.The valve is used on the pipeline as an closing device for air or water.过滤材料有玻纤 、 丙纶 、 涤纶 、 棉 、 活性炭 、 纸等.产品广泛用于气体、油品、水等的过滤...