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...
There are still major lacunae in the material available.手边的材料依然存在严重缺漏。The bony spicules are even, with occasional lacunae containing osteocytes.骨板连续均一, 偶尔可见包含骨细胞的腔隙.Black air - filled lacunae in which osteocytes once liv...
Haven't you heard? Our football team has lost in the extramural match.你没听说 吗 ?我们的足球队在校际比赛中输了.Our football team has lost in the extramural match.我们的足球队在校际比赛中输了.He moved from being an extramural tutor to being a lectu...