A.制動電流 B.起動電流 C.制動電壓 D.起動電壓
A.進給 B.主軸變速 C.油泵升起 D.刀庫換刀
A.轉(zhuǎn)子回路里串入附加電勢 B.轉(zhuǎn)子回路里串入電阻 C.轉(zhuǎn)子回路里串入電抗器 D.轉(zhuǎn)子回路里串入頻敏變阻器