hoist drum的相关资料：
临近单词
hoistman
hoist
Hoisting Rope of Tower Crane
hoist pump intermediate gear
hoist cylinder piston spring
Hoist Rotation Beam Assembly
Hoist up the mixed cement.
hoisting pulley hoist pulley
hoist pump intermediate shaft
hoist a flag half-mast high
hoisting system of main shaft
hoist the flag at half-mast
