No chokes at all aside from one very small transformer towards the rear of the unit.

无电抗器在所有除了一个非常小的对本机背面变压器。

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All the paper mills long the national highway leading into our village drain their waste water into the stream. Every evening, black smoke from the chimneys chokes the nearby residents.

村口国道边的造纸厂所有废水全部排入小河，每逢傍晚，烟囱里的黑烟让附近的居民呛得不行。

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With an assigned time and path, these lightweight, self-guided cars would proceed steadily through crowded intersections without all the stop-and-go that chokes roadways and saps fuel efficiency.

FORBES: Magazine Article