end arbor端: end; extremity件: piece; article; item心轴: arbor; mandrel; verge; spind ...端件: extremity piece; tail piece软件心: soft iron core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:端件心轴，即可在微信中查询翻译
