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）。
To compare the effectiveness of oral ivermectin (IV) and two different modalities of topical benzyl benzoate (BB) for treating scabies in a community setting.
比较口服依维菌素 (IV) 和两种不同方式局部涂抹苯酸苄酯 (BB) 在社区治疗疥疮上的效果。
As the system is designed to fit around a standard four-bolt mountain bike crankset and standard BB mounting, the advantages of the new system can be obtained on almost any modern DH bike or frame.
该系统是根据标准四螺栓山地车曲柄和标准BB山地车设计，所以这个新设计可以被几乎所有的现代DH自行车和框架使用。
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