您要查找的是不是：
- liquid level signal 液位信号
- Does liquid level ever drop below volute top? 水位是否总是位于涡流顶部?
- Maintains a constant liquid level in a tank. 维持容器内的恒定液位。
- The suction helps to pull the oil off of the liquid level. 这个吸力有助于将液位上的油拉出来。
- Liquid level gauges shall be used for local level measurement. 液体液位计应用于现场液位测量。
- In the FMCW(frequency modulated continuous wave) liquid level measuring system,the key to measure the distance is to detect the frequency of the sinusoidal echo beat signal. 在FMCW(调频连续波)微波液位测量系统中,回波差拍正弦信号的频率检测是实现距离测量的关键。
- The gradient of liquid level of CTST is less than that of sieve plate. 与筛板相比较，CTST的板上液面梯度是较小的。
- Are liquid levels in P/V breakers correct? 保护器液位是否正确？
- This may cause frosting on the outside of the cylinder at the liquid level. 这会导致在钢瓶外部液体水平线处结霜。
- The paper introduces a simple but practical liquid level measuring instrument. 摘要本文介绍一种简单实用的液位测量装置。
- Inthepaper, we introduce a basic method in setlling liguid level signal of oilwell by means of artificial neural net works and give the results obtained by this method. 本文介绍了利用神经网络处理油井液面信号的基本方法.;并给出利用此方法处理液面信号的结果
- Advanced infrared liquid level control system and voltage protection device make operating simple and safe. 先进的红外线液位控制系统和压力保护装置,使操作简单,安全可靠。
- Power transformer and reactor fittings - Part 5: liquid level, pressure devices and flow indicators. 电力变压器和电抗器的配件。第5部分:液位计、压力器具和流量指示器。
- When the pest crawls through the electro-optical sensor, it will produce a high level signals and begins to count the pulse signal, the count to the pest's number can be realized. 当虫子通过光电传感器时，光电传感器输出高电平信号对脉冲信号进行计数，就实现了对虫子数量的统计。
- According to relationship between the capacitances,the liquid level, the permittivity and the inclination angle,thr... 从推导结果来看,它是一个简单而实用的好方案,是值得去产品化的。
- The quality from old ordinary mould casting and new low liquid level casting of 5083 alloy flat ingot is compared. 对老线普通结晶器铸造和新线低液位铸造所得5083合金扁锭进行了质量对比,分析了两种铸锭性能差异的原因。
- Pressure Vessel's appurtenance and accessories: bursting discs, or safety valves, liquid level gages. 压力容器：爆破片或安全阀、液位计等。
- To adjust the height of flashboard to control the liquid level and make the useful froth scraped by loam board. 调节闸板高度，控制液面，使有用泡沫被刮板刮出。
- Expounds liquid level control system of flotation machine and its industrial test. 介绍浮选机矿浆液位控制系统及其工业试验过程。
- Also, their isolation is limited by the leakage currents of the semiconductor devices, and they have a high insertion loss for low level signals. 此外，其隔离受半导体器件漏流的限制，并且对低电平信号具有较高的插入损耗。
