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contact spring | |||
hold down spring | |||
hold-down spring; retainer spring | |||
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pressure spring | |||
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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 |