基本解釋[經(jīng)濟學]千斤頂支座英漢例句雙語例句The utility model provides a jacking device for the assembly of a front bracket.本實用新型提供一種前托架裝配頂升裝置，包括：支架；ip.comjacking bracket更多例句詞組短語短語jacking -up bracket 頂升托架jacking bracket更多詞組專業(yè)釋義經(jīng)濟學千斤頂支座