Blindness: his third stroke, in 1906, left him blind in his left eye.

失明：1906年，他第三次中风发作，导致他左眼失明。

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At the beginning of the third stroke of the cycle of operations, the piston is once again at TDC, the crankshaft having turned through one full revolution.

在工作循环的第三个冲程开始，活塞再次位于上止点，曲轴已经旋转了一整周。

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At the beginning of the third stroke of the cycle of operations, the piston is once again at TDC, the crankshaft having turned through one full revolution.

在工作循环的第三个冲程开始，活塞再次位于上止点，曲轴已经旋转了一整周。

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