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to phrases
氢
qīng
environ.
hidrogénio
(易燃、无色的气体,且是最轻和宇宙中含量最丰富的元素,它主要存在于水和大部分的有机化合物中,且被使用于制造氨和其他化学物质、油和脂的氢化,和焊接中。)
氢:
16 phrases
in 5 subjects
Accumulators
2
Electrochemistry
1
Environment
10
Isolation
2
Thermal Energy
1
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