... 转速等级 Drehzahlstufe f 转速调节范围 Drehzahlreglerkreis m 转速调节器（通过改变磁场的方法） Drehzahtlfeldregler m ...
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镗削动力头采用了普通车床的床头箱，主轴转速调节范围大，刮削端面性能良好。
The boring power comes from the head-stock of a universal lathe, so the spindle speed could be adjusted in a wide range and satisfactory end face scraping quality is obtained.
运转速度调节范围大，能与各种相应的熨平机匹配。
With wide range speed-adjusting, which can match with each ironing machine.
变频动力头，转速任意调节，作用范围广。
Frequency power head, adjusting speed arbitrary, wide speed range.
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