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