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oil ring | |||
oil scraper; oil scraping ring; oil wiper ring; scraper ring; wiper packing ring | |||
wiper ring | |||
oil scraper ring | |||
cutter oil ring; scraping ring | |||
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oil scraper piston ring; oil scraping ring | |||
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scraper |
刮油环: 18 phrases in 4 subjects |
Automobiles | 9 |
Electronics | 1 |
Shipbuilding | 2 |
Technology | 6 |