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构造说明 | |
eng.geol. | general description of construction |
书 | |
gen. | books; book; bookery |
econ. | letter |
environ. | book |
libr. | fore-edge painting; fore-edge title |
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general description of construction |
构造说明 : 4 phrases in 3 subjects |
Business | 1 |
Consulting | 2 |
Technology | 1 |