| |||
maximum diameter of flowpath | |||
useful diameter | |||
effective diameter | |||
| |||
effective diameter |
有效直径 : 21 phrases in 10 subjects |
Aviation | 2 |
Drilling | 1 |
Earth sciences | 1 |
Electronics | 2 |
Engineering geology | 3 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Space | 1 |
Technology | 7 |
Telecommunications | 1 |