三重扩张蒸汽机 ... Bill's 1997 entry in the Sherline contest was this very intricate triple expansion steam engine. 条例草案的1997年入境，在sherline竞赛，这是非常复杂的三重扩张蒸汽机。 Not surprisingly, it took first place. 毫不奇怪，它放在首位。 Another view of the triple expansion steam engine 另一种观点的三重扩张蒸汽机 A rear view of the triple expansion steam engine 后方的看法三重扩张蒸汽机 ...
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