WATER RESOURCES TRADE ( RESERVOIR ENGINEERING COMPLEX, WATERCOURSE MODIFICATION, WATER DIVERSION, IRRIGATION AND DRAINING OF WATERLOG, INNING) CLASS B.是什么意思_WATER RESOURCES TRADE ( RESERVOIR ENGINEERING COMPLEX, WATERCOURSE MODIFICATION, WATER DIVERSION, IRRIGATION AND DRAINING OF WATERLOG, INNING) CLASS B.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句