第八章单元测试
Not only most of major machine tool manufacturers but also the CNC suppliers offer a wide variety of end-user training on CNC machines.
During the early years of hardwired NC, built-in diagnostic tools existed.
The emphasis has changed from "how to fix it" to "how it works".
The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.
FANUC control system works under a _________volts voltage.
A:对 B:错
答案:对
A:错 B:对
A:对 B:错
A:alternating current 24 volts voltage B: direct current 200 volts voltage C: alternating current 200 volts voltage D: direct current 24 volts voltage
A: direct current 200 B:alternating current 200 C: alternating current 24 D: direct current 24
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