为了减少对调试员工的依赖性，提高产品调试速度和检测精度，设计出一种可以实现自动方向性调节的定向耦合器。
In order to reduce the dependency of tuning operators, improve the tuning speed and detection accuracy, it designed a directional coupler with automatic directivity tuning.
在非接触位移测量领域中，电荷耦合器件CCD是具有较高灵敏度的光电传感器，其测量精度高，能自动连续地进行检测。
In field of displacement measure without touch, charge couple device CCD is a high sensitivity photoelectric sensor with high measurement precision, which can be used in automatic succession measure.
此方法以初冷器前吸力值的大小，通过变送器反馈给电磁阀和液力耦合器，实现煤气风机的吸、压力自动调节，不但比改造前传统的“大、小循环”方便、稳定，而且节能、环保、低噪音。
In this way, the cycle is not only more convenient and stable than traditional big-small cycle, but also the energy saving, environment protection and low noisy can be realized.
此方法以初冷器前吸力值的大小，通过变送器反馈给电磁阀和液力耦合器，实现煤气风机的吸、压力自动调节，不但比改造前传统的“大、小循环”方便、稳定，而且节能、环保、低噪音。
In this way, the cycle is not only more convenient and stable than traditional big-small cycle, but also the energy saving, environment protection and low noisy can be realized.
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