forging ratio锻: forge比: 2镦锻比: upset ratio; upsetting ratio镦粗比, 顶锻比: upset ratio锻边连接: jump joint; jumped joint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:锻比，即可在微信中查询翻译
