rolling hinged support滚动: roll; trundle; rolling; volu ...铰: cut with scissors支座: pedestal for a body constell ...铰支座: hinged support固定铰支座: fixed hinged support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:滚动铰支座,即可在微信中查询翻译