| |||
male enlarge | |||
transition pipe | |||
combination collar; reducing socket; sub-coupling; substitute; swage; swedged nipple; swedge | |||
reducing pipe | |||
crossover adapter | |||
adapter; reducer; crossover | |||
increaser | |||
change-over sub; pipe reducer; crossover (X/0) | |||
concentric reducing; concentrical reducing; reducer and increaser; reducing pipe joint (承插管接头) | |||
| |||
reducer and increaser | |||
| |||
reducer; reducing pipe | |||
| |||
pipe reducer | |||
| |||
sub |
大小头: 60 phrases in 13 subjects |
Architecture | 1 |
Audio electronics | 1 |
Aviation | 1 |
Compressors | 1 |
Construction | 1 |
Dermatology | 1 |
Drilling | 7 |
Entomology | 1 |
General | 2 |
Ichthyology | 1 |
Oil / petroleum | 6 |
Pest control | 1 |
Technology | 36 |