【建筑】旋转回采矿柱

flow forming【机】;flow turning【机】;rotary extrusion【机】

letterpress roller rotary machine

rotary-type discharge control vane, rotary-type admission control vane

rotary disc, rotary table, turntable

rotary probability screen【矿】

rotary compressor【机】

rotary-bar type opener

sheet metal rotary offset press