constant costs industry成本: prime cost; cost; capitalize ...不变: invariant工业: industry成本不变产业: constant cost industry成本不变行业: constant cost industry; constant-cost 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:成本不变工业，即可在微信中查询翻译
