单词	potassic shale
释义	potassic shale 钾质页岩
随便看	overhead drum overhead earth wire overhead eccentric crusher overhead eccentric-jaw crusher overhead economy overheaded passageway overhead effciency standard overhead efficience variance overhead efficiency ratio overhead efficiency variance overhead electrical conductors overhead electric traction wire overhead engine overhead equalizer spring overhead equalizer spring vestibule overhead expenditure Overhead Expenditure Request overhead expense overhead expense distribution sheet overhead expenses overhead expense standard overhead expense standards overhead expense variance overhead explosion-proof crane overhead extension