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gypsic horizon | |||
plastering | |||
gypsum horizon; gypsum layer | |||
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gypsum horizon |
石 膏 层 : 32 phrases in 9 subjects |
Arabic language | 1 |
Architecture | 1 |
Construction | 1 |
Desert science | 2 |
Earth sciences | 2 |
Geology | 2 |
Oil / petroleum | 2 |
Soil science | 2 |
Technology | 19 |