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V-type step pulley |
形锥轮 : 65 phrases in 11 subjects |
Automobiles | 8 |
Aviation | 1 |
Compressors | 1 |
Electric machinery | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Oil / petroleum | 6 |
Plastics | 1 |
Rail transport | 2 |
Technology | 39 |
Textile industry | 2 |