ball socket bearingball socketed bearing球: sphere; globe铰: cut with scissors轴承: bearing; axle bearing; beari ...摆振铰轴承: lag-hinge bearing变距铰轴承: feathering-hinge bearing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:球铰轴承，即可在微信中查询翻译
