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Alloy steel gear, hard tooth surface, large in output torque and durable in use.
齿轮材料为合金钢，硬齿面，输出转矩大，可靠耐用。
youdao
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The other is a small torque motor output, maintain a high speed.
另一种是要求马达输出小转矩，保持高转速。
youdao
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The other is a small torque motor output, maintain a high speed.
另一种是要求马达输出小转矩，保持高转速。
youdao