【判断题】枝状管网简单,每一管段的流向都是确定不变的,管道的直径距热源越远而逐渐减小,投资小,运行管理简便。枝状管网不具有后备供热的性能。
【简答题】阅读理解 Once there was a boy. He loved sweets very much. He always asked his father for sweets. The boy's father thought hard about how to stop the child from asking for so many sweets. A great man lived...
【简答题】For my 18th birthday, my dad asked me to deejay at the restaurant he owned. (Para. 2)
【简答题】Complete the following daily log by choosing the correct answer from the box. The 11th day, 14th March After a period of hard work, I have become familiar with the work as a manager. My ...
【判断题】管道运输的局限性是:单向运输,机动灵活性差;运输的货物仅局限于液体和气体货物;固定投资大。
【判断题】管道运输经营管理比较简单,但运输货物过于单一,永远是单向运输,机动灵活性小。