u-form elbow jointu: U, u (pl. U's, u's ) 1 ...形: form; shape肘节: toggle; toggle joint; wristu形肘管: u-form elbow橄榄形肘节铰链: olive knuckle hinge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:u形肘节,即可在微信中查询翻译