单词	R class
释义	R class 反应类
随便看	slope compound slope concentration slope concrete paver slope condition slope conflux slope consolidation slope consolidation for landslide slope construcktion slope construction slope construction operation slope control slope-controlled arc wilding power source slope controlling engineering slope control timer slope-conveyance method slope conveyer slope conveyor slope cooling body method slope correction Slope County slope course slope covering slope creeping slope cropland slope cropland in South China