将柔性药囊储药器集成于泵的入口通道，并置于带有两个环形电极的壳体中，实现了结构的轻小化。
The structure compactness was realized by integrating the flexible drug bag into the entryway of the pump in a shell with two annular electrodes.
针对水为连续相条件下的油水两相流含水率测量问题，首先分析了环形四电极电导传感器敏感场正问题的数学模型。
For the water volume fraction measurement of oil-in-water flow, the mathematical model for the forward problem of sensitivity field in the ring-shape four-electrode conductance sensor was analyzed.
结合旋转电弧开关和环形轨道开关特点，设计了一种旋转电弧、场畸变气体火花开关，有效地减少了气体火花开关电极烧蚀，提高了气体火花开关寿命。
The high current which flows in the closing gas spark switch results in the electrode erosion that influences largely the switch performance especially for the lifetime.
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