An input device that provides a scalar value, e. g., a thumb wheel, a potentiometer.
一种提供标量值的输入设备，如姆指旋转控制器、电位计。
Depth setting - an Indexed thumb wheel allows for accurate and repeatable depth Settings of fasteners.
深度设定-一个索引拇指轮允许精确和可重复的紧固件深度设置。
The thumb wheel is used to set almost everything in the camera and it is tiny, slippery and hard to turn.
拇指滚轮用于设置在相机几乎一切，这是微小的，滑溜溜，难以转动。
Back focus adjustment is easy with the lockable thumb wheel, accessible from the top or bottom of the camera.
回到重点调整很容易与上锁的拇指滚轮，可从顶部或底部的相机。
Just use the brake pads as indicators resting your thumb on one as you get the wheel nearly true to see and feel the wobbles.
只要使用的刹车片的指标上休息一拇指当你的车轮几乎真实的看到和感受到的抖动。
Just use the brake pads as indicators resting your thumb on one as you get the wheel nearly true to see and feel the wobbles.
只要使用的刹车片的指标上休息一拇指当你的车轮几乎真实的看到和感受到的抖动。
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