定额和性能 meaning in English

rotating electrical machinesrating and performancece

Rotating electrical machines - rating and performance
旋转电机定额和性能
Reciprocating internal combustion engine driven alternating current generating sets . part 1 : application , ratings and performance
往复式内燃机驱动的交流发电机组第1部分:用途定额和性能
Reciprocating internal combustion engine driven alternating current generating sets - part 1 : application , ratings and performance
往复式内燃机驱动的交流发电机组.第1部分:用途定额和性能