sparkless
| operation
| sparkless | |
| gen. | 无电 花的 |
| operation | |
| gen. | 运作 |
| hydroel.st. | 运行; 管理 |
| hydroel.st. од. | 操作 |
| IMF. | 经营; 操作 |
| math. | 函数; 运算 |
| sport. med. | 手术 |
| wind. | 处理 |
| |||
| 无电〔火〕花的 | |||
| 无火花的 | |||
|
sparkless : 11 phrases in 5 subjects |
| Electric machinery | 3 |
| General | 1 |
| Mechanic engineering | 1 |
| Power electronics | 1 |
| Technology | 5 |