多相电动机 meaning in Chinese

multiphase motor
polyphase motor

Alternating - current polyphase motors with ventilated enclosures and squirrel - cage , design b3 , with ball bearings ; maximum envelope dimensions
B3型设计带滚珠轴承的内冷鼠笼式交流电多相电动机.第
Alternating - current polyphase motors with ventilated enclosures and squirrel - cage , design b5 , with ball bearings ; maximum envelope dimensions
B5型设计带滚珠轴承的内冷鼠笼式交流电多相电动机.第
Totally - enclosed fan - cooled alternating - current polyphase motors with squirrel - cage , design b3 , with ball bearings , maximum envelope dimensions
B3型设计带滚珠轴承的风冷鼠笼式交流电多相电动机.第