constant cost saving
常见例句
- This conclusion breaks the knowledge of single constant used at home and has certain practical significance for saving the cost…
打破了国内一直沿用单一常数的认识，对节约管网投资有一定的实际意义。 - This conclusion breaks the knowledge of single constant used at home and has certain practical significance for saving the cost of network line.
打破了国内一直沿用单一常数的认识，对节约管网投资有一定的实际意义。 返回 constant cost saving