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| 钩形水尺 (测微水位用，读至毫米); 钩形水位测针 | |||
| 测液高的钩尺 | |||
| 钩式水位计; 钩式精密液位计 | |||
| 钩规; 钩式液面计; 钩形水位计 | |||
| 管压力表; 钩形水表; 钩形表规; 钩规尺; 带钩形水位测针; 钩形水尺; 钩形测针; 钩形标尺 | |||
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hook gauge : 5 phrases in 3 subjects |
| Architecture | 1 |
| Desert science | 1 |
| Technology | 3 |
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