For this new contract, ALSTOM will design and supply electrical equipment: high voltage transformers, earthing switches, vacuum circuit breakers, high speed circuit breakers and contactors.是什么意思_For this new contract, ALSTOM will design and supply electrical equipment: high voltage transformers, earthing switches, vacuum circuit breakers, high speed circuit breakers and contactors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句