经济断面 meaning in English
economic cross section
economic section
Examples
- Adopting economical ventilation cross - section to improve economic benefit
采用经济断面提高经济效益 - The formulas and calculation method for the practical and economical cross - section of the trapezoidal channel with an arc slope angle are briefly presented
摘要简单介绍了弧形坡脚梯形渠道实用经济断面的计算式和计算方法。