Each Power Pack can be made for around $5, says Mr Lifton, which is comparable to the cost of the platinum alone in a direct-methanol fuel cell.
Lifton先生称每块PowerPack的制造成本只要5美元，这只相当于直接燃料电池中铂的价格。
Each Power Pack can be made for around $5, says Mr Lifton, which is comparable to the cost of the platinum alone in a direct-methanol fuel cell.
Lifton先生称每块PowerPack的制造成本只要5美元，这只相当于直接燃料电池中铂的价格。
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