 |
| |||
| 火花试验 | |||
| 放电试验 | |||
| 火花鉴别火花试验 | |||
| 火花测试 | |||
| 电火花试验 | |||
| 鉴定钢材含碳量的火花试验; 火花检验; 电火试验 (检查瓷釉的针眼); 放电检验 | |||
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spark test : 12 phrases in 8 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 4 |
| Technology | 2 |