Therefore, this paper constructs an optimization model to be close to the control of real two-way green wave.
因而，本文构建了一个以期得到最接近双向完全绿波的优化模型。
The utility model discloses a displacement pump flow control device which controls the flow of the displacement pump through an electromagnetic valve and two one-way valves.
本实用新型是一种柱塞泵流量控制装置，是利用一个电磁阀和两个单向阀控制柱塞泵的流量。
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