Results show that the cost flow method is simple and effective with less steps and small cumulative error.
算例结果表明：费用流法计算简洁、中间步骤少、累计误差小，是计算输电费简单有效的方法。
The CAM shaft is wear resistant and good in comprehensive performance and its manufacture has less steps, short period and low cost.
该凸轮轴耐磨性高，综合性能好，且制造工序少，周期短，成本低。
The CAM shaft is wear resistant and good in comprehensive performance and its manufacture has less steps, short period and low cost.
该凸轮轴耐磨性高，综合性能好，且制造工序少，周期短，成本低。
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