您要查找的是不是：
- Maintains a constant liquid level in a tank. 维持容器内的恒定液位。
- Are liquid levels in P/V breakers correct? 保护器液位是否正确？
- liquid level in casing 套管内液体水平
- The top level connection for any vessel shall be above the maximum liquid level in the vapor space (except for interface service). 任何容器的顶部液位接口应高于蒸气空间内的最高液位（但界面设备除外）。
- WBT point may be affirmed in terms of synthetical analyses of both changes of the liquid level in the pipe string and the card of pressur... 起出管柱后对环空的变化情况及压力计的压力卡片进行综合分析以确认窜通点。
- The pumps will be stopped automatically in case of electric fault, and low water level in washwater storage chamber. 如果停电和冲洗水贮存池内的水位低，则泵自动停止。
- It is used to continually measure the liquid level in various normal pressures or pressurizing vessels in petroleum, chemical, power, metallurgy industry etc. 它适用于石油、化工、电力、冶金等行业的各种常压或承压容器内液位的连续测量。
- A steam box on the shell is used for letting steam or back-water into condenser, and a drain box at the bottom with a liquid level indicator is used for inspecting the liquid level in the vessel. 冷凝器为卧式，壳体上设有膨胀节、蒸汽箱和冷凝箱，蒸汽箱供蒸汽和疏水进入器内，凝水箱上配有液位计，可观察器内水位高度。
- I have kept a reserve fund in case of accidents. 我已筹备了一笔准备基金以防不测。
- They watched him closely in case he should escape. 他们严密监视他，惟恐他会逃脱。
- In recent years, with the rapid development of the petroleum industry and petroleum chemistry industry, more and more attentions have been atracekd to the accurate measurement of the liquid level in tanks. 近年来,随着我国石油、石化工业的迅速发展,储灌液位的精确测量越来越受到人们的关注。
- In case (=If) I forget, please remind me. 万一我忘记，请提醒我。
- A control valve failure may also cause the liquid level in a pressurized vessel feeding liquid to a tank to drop below the outlet nozzle, allowing vapor from the vessel to be pressured into the tank. 控制阀故障还会导致向储罐供液体料的压力容器液位降低到其出口管嘴以下，使得蒸气从压力容器压入储罐。
- Press this button in case of fire. 遇火灾时按下此钮。
- I'll sit up for a time, in case I may be wanted. 我先不睡，说不定会通知得着我。
- Some streets are not level in the city. 城里有几条街道不平坦。
- In case of flood, the dam can protect us. 在发洪水的时候，大堤可以保护我们。
- Write the telephone number down in case you forget. 把电话号码写下来以免忘了。
- Do you have any back-ups in case I cannot be there? 假如我不能来,你们有没有候补人员?
- Automatic Control of Liquid Level in Mould of CCM 连铸机结晶器的液位自动控制
