Fume aspirator with control pedal to operate at test end.
在实验的最后操作具有控制踏板的烟雾吸气器。
An adjustable control pedal includes a molded-plastic upper support forming a hollow interior space.
可调整的控制踏板包括塑模上支持形成中空的内部空间。
You control the amount of air that passes through the throttle plate and into the engine with the gas pedal.
通过油门踏板,你能控制经过节气门进入发动机的空气量。
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