| |||
close return bend; return bend; return elbow | |||
U-bend | |||
| |||
U-bend | |||
tube turn | |||
return bend | |||
U-turn | |||
| |||
Y-bend | |||
| |||
Y-bend | |||
| |||
Y-bend |
形弯头 : 35 phrases in 11 subjects |
Architecture | 4 |
Automobiles | 2 |
Compressors | 1 |
Construction | 1 |
Drilling | 1 |
Electronics | 2 |
General | 1 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Skiing | 1 |
Technology | 19 |