本文指出了利用新技术减少停机时间，从而降低生产成本的方法。
Production cost saving due to reduced system down-time using the new techniques are indicated.
本文对汽油加氢装置国产催化剂的性能和应用进行分析，并提出了一些降低生产成本的方法。
This article has analyzed the character and applications of this catalyst, and discussed some ways to decrease the cost of hydrogenated gasoline.
找到一种降低生产成本的方法最终才能使安全食品的价格降低，而只有当健康产品的价格更低的时候，人们才会购买。
Finding a means to lower costs of production will ultimately make safer food cheaper, and only when the healthier product is cheaper will the public buy it.
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