Two - stage chromate reduction has been used at several plants.一些厂已采用两段铬酸盐还原法.The potassium chromate method is one regular method to determine COD.重铬酸钾法是测定化学需氧量的常规方法.Cr - Fe waste residue is derived from production of ch...
McKen criticises the lack of explication of what the term "areas" means.麦肯批评说对“区域”一词的含义缺少解释。The development of a tourism explication system of forest parks was recommended.为森林公园的旅游解说系统的发展提出了一些建议.Do at least one explicati...
这里的竹楼都是架空的.The bamboo huts here are all built on stilts.而他这理想未必完全是架空的.These were no castles in the air.翱翔着的飞鸟和滑翔用的伞翼,是这架空前成功的人力飞机设计之关键.Soaring birds and gliding wings were keys to the design of the first successful human...