frictional wheel
| speed counter
| frictional wheel | |
| tech. | 摩擦轮 |
| speed counter | |
| auto. | 车 速表 |
| compr. | 转速计数器 |
| el. | 速度计数器 |
| el.mach. | 速度计 |
| met. | 速率计; 转数表 |
| skydive. | 转速表 |
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| 摩擦轮 | |||
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frictional wheel : 6 phrases in 1 subject |
| Technology | 6 |