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| alcaline-earth (metal) | |||
| alkali-earth metal | |||
| alkaline-earth metal | |||
| alcaline-earth metal; alkaline earth metal (【技】元素周期表中 11A 族元素金属。含铍、镁、钙、锶、钡和镭。) | |||
| alkali earth metal | |||
| alkaline earth metal (元素); earth alkali metal | |||
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| alkali earthmetal; alkaline earth | |||
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| alkaline-earth | |||
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碱土金属 : 12 phrases in 5 subjects |
| Automobiles | 1 |
| Geology | 1 |
| Metallurgy | 7 |
| Technology | 2 |
| Water resources | 1 |
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