大家在查：交易技能 Wedgwood 陡峭山崖 taining 霍肇滔卡斯卡达 GMEurope jkhuang pelisse Jikun

a magnesium

a magnesium

a magnesium

a magnesium

4

5

After that, it is just a small matter of convincing the world to start thinking about a magnesium economy instead of hydrogen one, he adds .

他补充道，在此之后，仅需要做点小小的工作来说服整个世界开始思考用镁经济来代替氢经济。

7

A lightweight and high-strength metal having high electrical conductivity, e. g. a magnesium alloy or SUS, is used in the metal frame (14 ).

高导电、质量轻且机械强度高的金属诸如例如镁合金和 SUS 被用于金属框架（14 ）。

9

How many electrons has a magnesium atom in its outer layer ?

镁原子的最外层有多少电子？

10

I have here a magnesium bar , l and the magnesium bar has a length l.

这是个镁条，镁条长度是。

热词推荐

大家在看