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economic benefit cost ratio
economic benefit cost ratio
英
[economic benefit cost ratio]
美
[economic benefit cost ratio]
中文释义
经济效益费用比
单词分析
单词结构:
economic benefit cost ratio
字母数:27
记忆提示
🎯 重点记忆:
单词拼写:economic benefit cost ratio
核心含义:经济效益费用比
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更新时间:2026-04-11 12:04:23