| |||
peristoma; peristome | |||
faucal; shell aperture |
壳口 : 54 phrases in 14 subjects |
Agriculture | 1 |
Automobiles | 7 |
Aviation | 4 |
Chemistry | 2 |
Computers | 1 |
Electronics | 1 |
Entomology | 2 |
General | 4 |
Hydroelectric power stations | 2 |
Metallurgy | 13 |
Power system protection | 1 |
Shooting sport | 2 |
Space | 2 |
Technology | 12 |