常見例句雙語例句The utility model relates to quick-positioning rotary device, which is used in an erecting electric equipment and a support frame.一種可隨即定位的鏇轉(zhuǎn)裝置,是應(yīng)用於架設(shè)電子裝置及其支撐架的一裝置,包 括有:一固定座;ip.com 返回 erecting device