Based on the RCM theory and maintenance mode selection methods, the GGR system is applied and analyzed and the outline for GGR areoptimized.是什么意思_Based on the RCM theory and maintenance mode selection methods, the GGR system is applied and analyzed and the outline for GGR areoptimized.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句