| |||
contact spring | |||
hold down spring | |||
hold-down spring; retainer spring | |||
| |||
pressure spring | |||
| |||
actuating spring |
压紧 弹簧: 16 phrases in 8 subjects |
Automobiles | 5 |
Compressors | 1 |
Computer numerical control | 1 |
Nuclear and fusion power | 1 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 5 |