To popularize fuel cell vehicles, refueling system must be built and hydrogen dispenser must be developed.

燃料电池汽车的推广需要地面加注系统的支持，研制加氢机势在必行。

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To popularize fuel cell vehicles, refueling system must be built and hydrogen dispenser must be developed.

燃料电池汽车的推广需要地面加注系统的支持，研制加氢机势在必行。

youdao