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P. E. | |
agric. stat. | 概差 |
10 | |
soil. | 非常陡峭 |
alloy | |
dril. | 混合物; 杂质; 熔成合金 |
hydroel.st. | 合金 |
met. | α铬基和钼基耐热合金 |
P.E.10 alloy : 55 phrases in 14 subjects |
Automobiles | 3 |
Chemistry | 3 |
Company name | 1 |
Desert science | 3 |
Economy | 2 |
Exhibitions | 1 |
Finances | 1 |
International trade | 1 |
Metallurgy | 6 |
Perfume | 16 |
Rail transport | 4 |
Securities | 10 |
Shipbuilding | 1 |
Technology | 3 |