In addition series can drive pump, ratchet wheel, valve and other mechanism to realize automatic operation.
此外,它还可以驱动唧筒 、 棘轮 、 阀门等其他机械装置,使之实现操作自动化.
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Besides while uses special become shape cutting tool time, still can process sprocket or ratchet wheel.
此外当使用特殊成形刀具时, 尚能加工链轮或棘轮等.
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