un. 偶生成本 [网络] 一次性费用 non recurring cost: 偶生成本cost, non-recurring engineering (nre): 非经常性工程成本non-recurring engineering cost (nre): 非经常性工程成本recurring cost: 续生成本non recurring gai: 偶生利益下载手机词典可随时随地查词查翻译