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- First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler. 首先,能过作为一个自动逆止阀,防止蒸汽从主蒸汽加热器上倒流到锅炉里。
- When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header. 如果连接主蒸汽热水器的锅炉不止一个,则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。
- Analysis and Treatment of Cracks in Steam Header 集汽联箱裂纹的分析及处理
- Pressure Control Strategy for Steam Header of Tied Up Boilers 并列锅炉蒸汽母管压力控制方案
- On-line life span monitoring and measurement system of the boiler steam header 锅炉集汽联箱在线寿命监测系统
- He stumbled and took a header into the ditch. 他跌了一跤而栽到沟去了。
- The steam tug takes canal boats and barges in tow. 驳船后面拖着小艇和平底船。
- The mirror fogged up with the steam. 镜子因蒙上水气而模糊不清。
- The engines are driven by steam. 这些发动机是由蒸汽驱动的。
- Parents must let children blow off steam sometimes. 做父母的有时必须让孩寸们吵吵闹闹，发泄发泄。
- The movement continued to pick up steam. 这场运动继续在加速进行。
- In1768 the first steam engine appeared. 在1768年出现了第一部蒸汽机。
- When water boils it turns into steam. 水沸腾而变成蒸汽。
- Ice, snow and steam are different forms of water. 冰、雪和蒸汽是水的不同形态。
- The steam has fogged the mirror. 水汽布满了镜子。
- The steam escaped with a loud hissing noise. 蒸汽发出很大的嘶嘶声冒了出 来。
- They kept up a good head of steam. 他们把蒸气压力保持在所需的水平上。
- Heat evaporates water into steam. 水受热变成水蒸汽。
- Steam condenses into water when cooling down. 蒸汽冷却时凝结成水。
- Steam has fogged the bathroom mirror. 水蒸气把浴室里的镜子遮住了。
