| |||
| 贮仓仓面指示器 | |||
| 油量传感器; 电平检测器; 水平测试仪 | |||
| 液面探测器; 电平指示器 | |||
| 水位计 | |||
| 料位器 | |||
| 水平检测仪 | |||
| 液位检测仪 | |||
| 料位检测器; 料位高度测定仪; 电平探测器; 仓面指示器; 水平探测器 | |||
|
level detector : 52 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Chemistry | 3 |
| Communications | 1 |
| Drilling | 1 |
| Electronics | 5 |
| Metallurgy | 6 |
| Nautical | 2 |
| Nuclear physics | 2 |
| Oil / petroleum | 4 |
| Technology | 26 |