The low. speed range comes to 30 percent of synchronous speed of the machine.
低速工作转速范围达同步转速的30％。
The machine tool has the advantages of high machining speed, low cost and high precision.
优点是加工速度快，费用低，精度高。
The machine tool has the advantages of high machining speed, low cost and high precision.
优点是加工速度快，费用低，精度高。
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