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packing gland |
填函料 : 73 phrases in 13 subjects |
Automobiles | 4 |
Compressors | 15 |
Construction | 1 |
Drilling | 1 |
Electronics | 3 |
General | 3 |
Mechanic engineering | 1 |
Nautical | 14 |
Oil / petroleum | 6 |
Refrigeration | 1 |
Shipbuilding | 6 |
Technology | 17 |
Transport | 1 |