基本解釋[經(jīng)濟學]直柄鑽頭詞組短語短語straight shank twist bit 直柄麻花鑽頭straight drill straight shank bit 直柄鑽頭straight -shank drill bit 直柄螺鑽straight shank twist drill bit 直柄麻花鑽straight shank bit更多詞組專業(yè)釋義經(jīng)濟學直柄鑽頭