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对外交通运输 | |
tech. | off-site traffic and transport |
专题报告 | |
bridg.constr. | subject report |
econ. | specific report |
eng.geol. | special report |
hydroel.st. | specialist report |
oil | subjective report |
securit. | advisory report |
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off-site traffic and transport |
对外交通运输: 1 phrase in 1 subject |
Hydroelectric power stations | 1 |