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瓦斯管线; 煤气管道[线] | |||
气体管道 | |||
气体煤气管道; 煤气管道 【线】 | |||
输气管道 | |||
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天然气管道 (长管道,尤其是地下,用于长途运输天然气。) |
gas pipeline: 54 phrases in 13 subjects |
Automobiles | 1 |
Business | 1 |
Chemistry | 1 |
China | 1 |
Company name | 6 |
Ecology | 2 |
Economy | 1 |
Environment | 1 |
Mass media | 1 |
Metallurgy | 6 |
Oil / petroleum | 17 |
Rail transport | 1 |
Technology | 15 |