rudder indicator

基本解释

Calibrating rudder angle indicator.
舵角指示器校准。
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The error of the rudder angle indicator is too large.
舵角指示器的误差太大。
The mechanic rudder indicator to be provided and mounted on the steering gear and can be easily read and watch from the control position.
舵机上装有机械式的舵角显示器，并易于从控制位置可见和观察。
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