07/09/20 21:34:04
his spare time he constructed a heat engine which used the fumes from the fire instead
of steam as a propellant
↑これ訳す、というかどういう往復式蒸気機関だかわかるしとおらん？
07/09/20 21:34:04
his spare time he constructed a heat engine which used the fumes from the fire instead
of steam as a propellant
↑これ訳す、というかどういう往復式蒸気機関だかわかるしとおらん？