Operation security of the steam turbine is of great importance to a power plant and electrical net, but the homemade125 MW unit still has some security problems.是什么意思_Operation security of the steam turbine is of great importance to a power plant and electrical net, but the homemade125 MW unit still has some security problems.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句