In Manchester, the case for alternative vehicles was made by Hugo Spowers of Riversimple, a company that has produced a prototype two-seater city car running on hydrogen gas.
2
在加油站现场通过酶制作氢气，或在用户家中自己生产，可以很好地解决这个问题。
On-site production using enzymes at filling stations, or even in people's homes, could get around these issues.
3
介绍了氢气保护钼丝电加热炉的制作技术和日常操作使用及维护方法。
The fabrication, operating and maintaining of the hydrogen shielded electric heating stove with molybdenum wire are introduced.
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