本文搜集冶金设备设计计算中，若干使用试差法的场合，共三款。
In this paper, three cases are listed where the triable calculation met-hod is used for designing metallurgical machinery.
以计算机处理表面活性物质作用参数数据，针对试差法的特点，设计了计算流程。
The interaction parameters of surfactant have been processed by computer, and calculating flow has been designed for trail and error method. Its application results are exact and efficient.
提出了管路计算的一种新方法，克服了以往采用的繁琐的试差法的缺点，可以进行任何情况下的管路计算。
A new method of chemical pipeline calculation is introduced, the method overcomes the shortcomings of the heavy and complex trial and error method has been used.
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