单词	core barrel
释义	core barrel [机] 心骨管
随便看	business system planning business systems businesstalk business talk business talks business tariff business tax business-tax business taxation business tax rate business technology Business Technology Association business & technology education council (btec) business technology management business telephone business telephone system business television business tenancy business term business terminal equipment business terms business test business thinking business thought business thoughts 白璧三献白璧微瑕白璧无瑕白璧青蝇白白朱朱白眉赤眼白眼相看白纸黑字白色恐怖白草黄云 49530 49531 49532 49533 49534 49535 49536 49537 49538 49539