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烟尘浓度测定 | |
tech. | measurement of soot and dust concentration |
器 | |
gen. | etc.; implement; utensil; apparatus |
space | aboard; trained model |
telecom. | meter |
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measurement of soot and dust concentration |
烟尘浓度 测定 : 3 phrases in 2 subjects |
General | 1 |
Technology | 2 |