The biggest drawback is that the mechanical arm must be controlled visually.

最大的缺点是机械手臂必须靠研睛来控制.

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The mechanical arm is only a subsidiary device.

这个机械臂只是个辅助设施.

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BEAVER: I can get it with the mechanical arm. Ha ha aaa, Gotcha!

海狸: 我能用机械臂拿到财宝. 啊哈!哈哈, 拿到了!

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Such a mechanical arm , is already used by RTHK, commercial radio and the autumn.

这样的机械手臂, 秋雨已使用了三台.

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With mechanical arm connected to the signal, accurate to catch the finished product protection.

与机械手臂信号相连接, 准确的接住成品,保护成品.

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