基本解釋[經(jīng)濟(jì)學(xué)]夾套止逆閥詞組短語(yǔ)短語(yǔ)clamp p sleeve antireverse valve 夾套止逆閥clamp sleeve antireverse valve更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)夾套止逆閥