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).

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）。

youdao

Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.

洒水车水泵泵壳出现裂纹、或者叶轮、倒叶损坏、或者水封破损，都会影响真空度，出现水抽不上来，或者水压过小的现象。

youdao

Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.

齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。

youdao

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).

ECONOMIST: Robots