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| 1. | electric-capacity moisture metre |
| 电容湿度计 |
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| 2. | electric moisture metre |
| 电测湿度计 |
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| 3. | electric current metre |
| 电测流速仪 |
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| 4. | electric salinity metre |
| 电测盐度计 |
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| 5. | Ten metre length electric resistance wire even wind a plastics pipe, draw out a wiring per metre, two |
| 将十米长的电阻丝均匀地绕在一根塑料管上,每隔一米抽出一个接线头,两段半米长的电阻丝安装在两段半米长的标尺上,将各配置合理地安装在一个台式仪器箱中,研制开发了电源电动势和内阻测量的仪器。 |
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