问题
问答题 简答题
装置引蒸气时应注意什么?
答案
参考答案:①仔细检查装置用蒸气的流程,关闭各用气点阀门;
②各用气点回水阀处于关闭状态;
③排凝、暖管。
装置引蒸气时应注意什么?
参考答案:①仔细检查装置用蒸气的流程,关闭各用气点阀门;
②各用气点回水阀处于关闭状态;
③排凝、暖管。
根据首字母和句意填空。 |
1. My cousin is an a_________. 2. He had to work in a building-field to make a l________. 3. I don't want to wear my j________. 4. This is the most important e________ of the year. 5. I hope our football team will be l________ in Asia Cup. 6. We can find the kind-hearted person e_________. 7. The managers of the centre are on their v_________ to America. 8. I r________ that getting up early is good for our health. 9. Did you c_________ the best one? We have no time. 10. Children must wash their clothes t_________. |