Determine heat removing coefficients according to condensing temperature and wet - bulb temperature.根据冷凝温度和湿球温度,选择确定排热系数.These types of conjunctive words can be summarized into three types: juxtaposing, attaching, and co...
许多慈善机构捐款赈济饥民。Many charities sent money to help the victims of the famine.那是从飞机上空投给岛上饥民的一袋袋粮食.That is a drop of grain sacks from an aircraft to the hungry people on the island.许多慈善团体捐款赈济饥民.Many charities sent money to hel...
This Paper presents the features of ash haydite, producting process, commercialized, economic benefits and so on.本文介绍了免烧粉煤灰陶粒的特点 、 生产过程 、 商品化以及经济效益等....