释义 |
trommel Mining. U.S.|ˈtrɒm(ə)l| [a. G. trommel drum.] A rotating cylindrical sieve or buddle used for washing and sizing ores.
1877in Knight Dict. Mech. 1886tr. Callon's Lect. Mining xxiii. III. 27 A trommel is a barrel in the form of a cylinder or of a truncated cone, horizontal or slightly inclined. |