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clay gypsum | |||
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gypsite | |||
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earthy gypsum | |||
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gypsum earth |
土石膏 : 43 phrases in 9 subjects |
Agriculture | 5 |
Arabic language | 1 |
Architecture | 1 |
Desert science | 11 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Soil science | 12 |
Technology | 9 |