工艺计算套口机12G，就是一英寸里有12根针，14G就是一英寸里有14根针，依次类推。
最后提出了在线工艺计算的实现方法。
Executing method of on line process calculation was put forward.
对换热器及其它领域的工艺计算开发具有一定指导意义。
It has certain guiding meaning to the development of other process calculation in the heat exchanger or other fields.
本文介绍了该试脸的工艺计算、施工要求和取得的经济效益。
This paper introduces the technological calculation, operation requirement and economic benefit gained of the test.
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