当饰带毛勾漂流到下游时，降低竿尖和增放飞蝇线使饰带毛勾继续漂流。
As the fly passes and drifts downstream, lower the rod tip and feed line to the drift.
采用皮带传动时，电动轴中心线与负载轴中心线增行且要求皮带中心线与轴中心垂直。
When a belt pulley is adopted to transmit. the axis central line of motor should be parallel to load central line and be vertical with belt central line.
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