基本解釋[經(jīng)濟(jì)學(xué)]筒形挺桿詞組短語(yǔ)短語(yǔ)barrel -type e tappet 筒形挺桿barrel-type tappet更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)筒形挺桿