RESEARCH ON THE TECHNIQUE OF DRIP IRRIGATION UNDER FILM FOR CASH-TREES PLANTED IN FISH-SCALE PITS ON LOESS SLOPE-LAND是什么意思_RESEARCH ON THE TECHNIQUE OF DRIP IRRIGATION UNDER FILM FOR CASH-TREES PLANTED IN FISH-SCALE PITS ON LOESS SLOPE-LAND在线翻译_英语_读音_用法_例句