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to phrases
ossigeno
m
environ.
氧气
一种气态化学元素,在细胞呼吸和燃烧过程中最基本的和最丰富的元素,在地壳中占20%的空气量。
ossigeno:
12 phrases
in 5 subjects
Agriculture
3
Environment
5
Pulp and paper industry
2
Thermal Energy
1
Welding
1
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