Such a motor can not start, we must use another special auxiliary motor winding or so after the arrival of the appropriate frequency before it can be connected to AC.
此种电动机不能自己开动，必须用另一电动机或特殊辅助绕线使到达适当的频率后，始可接通交流电。
Based on the actuality that in China's printing industry equipment, the main drive mostly adjusts speed by variable frequency, but less usage in itss auxiliary function.
针对目前国内印刷行业设备中主传动已大量采用变频调速，而在其辅助功能上却很少的现状。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度，而不需要辅助的中性束或射频加热系统。
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