可以提供几种手控配置，包括中心位置的弹力恢复以及保持手柄在某一特定位置所需的摩擦力。
Several control handle configurations are available including spring return to center position, and friction hold which keeps the handle at any position desired.
可以提供几种手控配置，包括中心位置的弹力恢复以及保持手柄在某一特定位置所需的摩擦力。
Several control handle configurations are available including spring return to center position, and friction hold which keeps the handle at any position desired.
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