In 1999, the Philippines? National Power Corp began to make a planning of building a new 500 kV transmissionsystem in Northwestern Luzon, in order to supply sufficient power for their economy development.是什么意思_In 1999, the Philippines? National Power Corp began to make a planning of building a new 500 kV transmissionsystem in Northwestern Luzon, in order to supply sufficient power for their economy development.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句