slanting the head
歪着头
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Some bikes with slanting top tubes are measured as if there were a level top tube, they use the length that the seat tube would be if it was as high as the head tube.
而有些上管倾斜的车架， 会被当作水平上管的车架来测量。 立管长度就会从中轴中心量到立管上与头管一样高的位置。
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