往复运动 | |
gymn. | alternative motion |
met. | advance and return movement; back and forth motion; back and forth movement; jigging motion; reciprocal motion; reciprocation |
装置 | |
tech. | device |
往复运动 : 54 phrases in 11 subjects |
Agriculture | 3 |
Automobiles | 7 |
Aviation | 1 |
Chemistry | 2 |
Drilling | 1 |
General | 4 |
Metallurgy | 20 |
Space | 1 |
Steel production | 1 |
Technology | 11 |
Textile industry | 3 |