它具有双贝壳，分别由两根绳控制进行相对运动，还有用来排水的微型泵（他仍在寻找蛤足的最佳设计方案）。
It has a bivalve shell, two strings which move the valves against one another, and a small pump that expels water (he is still working on the best design for the foot).
选取了一种高效的橡胶薄膜阀片，设计并制作了具有较高输出能力的双腔泵样机。
A high efficient rubber membrane valve was made, and double-chambered PZT pump with high output capability was designed and fabricated.
这一结果为双泵单路稳流阀改进设计提供了理论依据。
As a result, theoretical basis to improve the design of double pump single circuit stabilizer valve bare been provided.
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