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backward bent vane; backward curved blade | |||
back ward-curved blade | |||
back-swept vane; backward curved vane | |||
backward leaning vane; sweptback blade |
后 弯叶片: 17 phrases, 8 sujets |
Architecture | 1 |
Automobiles | 3 |
Écologie | 1 |
Exploitation minière | 1 |
L'l'én. | 1 |
Métallurgie | 2 |
Réfrigération | 2 |
Technologie | 6 |