回声测深仪 | |
eng.geol. | acoustic sounder; depth recorder; echometer; sonic echo depth finder; sonic sounder |
hydroel.st. | fathometer; echo sounding apparatus |
mining. | sonic depth finder |
tech. | acoustic depth finder; acoustical depth finder |
室 | |
hydroel.st. | room |
回声测深仪 : 73 phrases in 10 subjects |
Business | 1 |
Earth sciences | 5 |
Hydroelectric power stations | 3 |
Nautical | 1 |
Navigation | 3 |
Oil / petroleum | 4 |
Shipbuilding | 9 |
Space | 1 |
Technology | 45 |
United Nations | 1 |