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люмен | |||
люмен (MKS制光通量单位) | |||
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люмен | |||
люмен (лм) | |||
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люмен |
流明 : 64 phrases in 12 subjects |
Aviation | 1 |
Business | 3 |
Clerical | 1 |
Electronics | 12 |
General | 24 |
Hydrography | 1 |
International Monetary Fund | 1 |
Oil / petroleum | 1 |
Oil and gas | 3 |
Oil processing plants | 1 |
Physics | 3 |
Technology | 13 |