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弹簧圈环 | |||
弹簧环 | |||
开口环 | |||
弹簧圈 | |||
弹簧挡圈[垫圈] | |||
活塞环; 铁丝弹簧圈 |
spring ring : 52 phrases in 12 subjects |
Angling hobby | 1 |
Automobiles | 11 |
Compressors | 1 |
Construction | 1 |
Drilling | 2 |
Electric machinery | 2 |
Oil / petroleum | 3 |
Plastics | 1 |
Rail transport | 5 |
Space | 3 |
Technology | 21 |
Telecommunications | 1 |