If you have problems balancing the weight of your foot to the pedal, it helps to keep a halved tennis ball right under the accelerator pedal lever.

如果你难以平衡脚上的重量，在油门踏板下放半个网球将对你有所帮助。

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Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.

注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。

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Illustrated below are some commonly accepted positions of the lever and weight.

下图是常见的、能够接受的操纵杆和压铁位置。

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The man dragged the bike away, straddled it, and tried to start it, bobbing up and down, pitching his weight onto the lever, the engine whirring but not catching.

NEWYORKER: Nawabdin Electrician