基本解釋[經(jīng)濟(jì)學(xué)]雙直逕多稜鑽頭詞組短語(yǔ)短語(yǔ)two o diameter multi -land drill 雙直逕多稜鑽頭two diameter multi-land drill更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)雙直逕多稜鑽頭