bracket bottom

基本解釋

You may also want to carry around lubricant, a bottom bracket tool and some spanners .
您可能還需要隨身攜帶的潤(rùn)滑劑，一個(gè)中軸工具和一些扳手。
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.
聲稱重量范圍從755-780克，其中包括中軸和放入的SRAM二十球場(chǎng)他們牢固盡管鋁武器。
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，在查詢dura ace track bb axle njs時(shí)，"bb"指的應(yīng)該是底架（bottom bracket），而在查詢software update on bb color id時(shí)，這里的bb說(shuō)的應(yīng)該是黑莓手機(jī)（blackberry）。

As Pat Garofolo notes, if you are a Michigan resident in the lowest income bracket (bottom 20%) you pay a tax rate of 8.9 percent.
FORBES: Michigan Governor to Cut Taxes for Corporations While Cutting Services for the Poor and Middle Class
Consumers in the bottom income bracket spend nearly 4% of their budgets on education, and wealthy Americans chipped in almost 3%.
FORBES: How Americans Make And Spend Their Money