Inside the pump, a flexible diaphragm connects to the rocker arm though a diaphragm spring, pull rod and link.

油泵中可变形膜片的泵膜通过膜片回位弹簧和膜片拉杆与摇臂相连。

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The simple corn planter of the utility model makes use of the straight pipe, the spring opener and the spring pull rod to skillfully deliver and automatically bury the corn seeds into the soil.

本实用新型的简易玉米播种机利用直管、弹簧开口器及弹簧拉杆将玉米种子巧妙的送入土中并自动掩埋。

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