shafts的精选

1、Bearingskeeptheshaftssteady.2、Thecoltintheshafts3、Mikaela:Camshafts.God,Ihateyou.4、Severaltypesofbearingsareusedoncentrifugalpumpshafts.5、topullacartorcarriagefrombetweentheshafts6、Thisdiffere...