progressive cost累进: progression成本: prime cost; cost; capitalize ...每孔钻进成本: cost per hole每英尺钻进成本: cost per foot同行业历史先进成本: historical best costs of the industry下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:累进成本,即可在微信中查询翻译