减少起重机的工作次数或换电动机的翻译：Reducing the number of cranes or for motor 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Number or change the motor to reduce crane

Reducing the number of cranes or for motor

Reduces the hoist crane the task sequence or trades the electric motor

Reduce number of crane or motor

Reducing the number of cranes or for motor