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