基本解釋[經(jīng)濟(jì)學(xué)]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(shí)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(jì)學(xué)千斤頂支座