物质从热区转移至冷区有助于减少热失衡现象.Movement of matter from hot regions to cooler ones will tend to decrease the thermal imbalance.典型的除氧器都有加热区和除氧区.The typical deaerator has a heating and deaerating section.亨吉德山靠近冰岛首都雷克雅末克,这里因其地热区和生动的色彩...
In 1882 Germany, Austria, and Italy formed the Triple Alliance.1882年，德国、奥地利和意大利组成了三国同盟。The merger puts the firm in a position to triple its earnings.合并可使公司利润增长两倍。The mine reportedly had an accident rate triple the nation...