tonnenrolle鼓形: cydariform; drum type滚柱: pin roller鼓形滚柱轴承: barrel roller bearing; drum roller bearing; spherical roller bearing桶形滚柱: crowned roller筒形滚柱: barrel shaped roller下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:鼓形滚柱,即可在微信中查询翻译