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coarse aggregate | |||
harsh aggregate; open graded aggregate | |||
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coarse aggregate | |||
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coarse aggregate | |||
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coarse aggregate |
粗 集 料 : 62 phrases in 6 subjects |
Architecture | 1 |
Bridge construction | 3 |
General | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 1 |
Technology | 52 |