在集中设备处加热(或冷却)转换可以是手动或自动.Heating or cooling change over at the central plant may be manual or automatic.在绝大数工厂里, 材料经常需要加热或冷却.In almost any plant, materials constantly being heated or cooled.根据所输送介质需要,螺杆泵装置可提供加热或冷却结构.Accor...
Downshifters are being tempted to leave the sophisticated city and go simple.追求放慢生活节奏的人群渴望告别喧嚣的城市，过简单的生活。Some people may be tempted to give untruthful answers.有些人也许会不由得想要作出不实回答。I was never tempted for a moment to give he...
They took a number of tumbles after a few minutes'rest.休息几分钟后他们又翻了几个筋斗.Old World bird that tumbles or rolls in flight; related to kingfishers.东半球能在空中翻筋斗的鸟; 与翠鸟近缘.Then, in a final act of incredible courage, the last ...