| 释义 |
Archimedean screw
 Archimedean screwArchimedean screwn. An ancient apparatus for raising water, consisting of either a spiral tube around an inclined axis or an inclined tube containing a tight-fitting, broad-threaded screw. Also called Archimedes' screw.
[After Archimedes.]EncyclopediaSeeArchimedes' screw |