@TheStalwart @yevshrag Hydrogen from what source? It makes a big difference.
@来自何处的Stalwart@yevshrag氢气？这有很大的不同。
@TheStalwart @yevshrag Hydrogen from what source? It makes a big difference.
@来自何处的Stalwart@yevshrag氢气？这有很大的不同。