单词	gear collar
释义	gear collar 齿轮定位环
随便看	base levelling base level of abrasion base level of corrosion base level of denudation base level of deposition base level(of erosion) baselevel of erosion base level of erosion base level of stream base level of system base-level override base-level peneplain base -level plain base-level resonance base level test cell baselga basel horn Basel I baselice baselight base light base lighting base lighting-load Basel II Basel III 恨惊回难续恨无人恨无人与说相思恨无人解听开元曲恨无据恨无消息到今朝恨无知音赏恨旧愁新恨春去恨春时节提子提子提子儿提存提审提干提引号提心吊胆提成提成儿