| |||
coil; volute | |||
toroid | |||
helical tube; helicoidal tube; spiral; worm pipe | |||
helical coil; spiratron; spiral pipe | |||
helix tube; labyrinth; serpentine; serpentine pipe; spiral coil; spiral tube; toroid worm pipe; spiral conduit; winding pipe | |||
scroll casing | |||
| |||
serpentine | |||
| |||
coiled pipe |
螺旋管: 210 phrases in 27 subjects |