mainsailn.主帆;大桅帆
mainsn.总线;主要管道名词main的复数形式.
mainshaft intermediate gear主轴中速齿轮
mainshaft speed gear sleeve主轴变速齿轮套
mainshaft differential gear主轴差速齿轮
mains-operated instrument交流电动仪表
mainshaft bearing cap gasket主轴轴承盖垫密片
mainshaft sleeve clamp lever主轴套筒夹紧手柄
mainshaft driven gear bearing主轴从动齿轮轴承
mainshaft differential spider主轴差速器十字架