decline in economic usefulness

以上内容是 decline in economic usefulness 的中文翻译，希望对您有帮助。

相关翻译

• advance-decline line
• all-round decline
• declines lead
• decline of production
• decline of a well
• decline in economic usefulness
• decline an order
• decline
• declined risk
• decline of real growth rate
• economic decline
• fall into a decline