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Chapter 1687 Li guess's black technology!
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Chapter 1689 The technology targeted by HK1689!
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... y or volume miniaturization, he was overcome by Li Gu!
"Okay, okay, stone brother, you are a grandfather!" Li guessed quite helplessly. "First, although the hydrogen fuel tank has a capacity of only 10 liters, the volume of gaseous fuel is basically meaningless because The gas can be highly compressed."
Speaking of this, Li guessed the topic of deviation. "Stone brother, I designed this hydrogen fuel propulsion system, which has reached the world's cutting-edge level. The whole sys ...
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