Bottom Bracket 中轴 ; 五通管 ; 轴承架 ; 底托架
bicycle bottom bracket 脚踏车底架
Bottom Bracket Cup 五通碗 ; 中轴碗
Bottom Bracket Parts 中轴组件 ; 五通主轴组件 ; 五通组件
double bottom bracket floor 双层底空心肋板
bottom bracket height 五通高度 ; 中轴高度
Also, in the query [dura ace track bb axle njs] the “bb” is probably referring to a bottom bracket while in the query [software update on bb color id] the “bb” probably means blackberry.
而且,在查询dura ace track bb axle njs时,"bb"指的应该是底架(bottom bracket),而在查询software update on bb color id时,这里的bb说的应该是黑莓手机(blackberry)。
Otherwise, the bracket should be placed in the bottom of the main horizontal cover plate near the main beam two points to high.
否则应把支架垫在主梁的下水平盖板靠近主梁两点变高处。
Claimed weights range from 755-780 grams, which includes bottom bracket and puts them firmly in the ballpark of SRAM XX despite the aluminum arms.
声称重量范围从755-780克,其中包括中轴和放入的SRAM二十球场他们牢固尽管铝武器。
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