This tip explains the shell test and comparison functions and shows you how to add programming capability to the shell.

这个技巧解释了shell测试和比较函数，演示了如何向 shell添加编程功能。

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It's suitable to have shell test and seal test for flanged end butterfly valves and wafer type butterfly valves.

适用于法兰连接和对夹式蝶阀的强度和密封性能试验。

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Testing temperature. Testing medium. Testing pressure. The shortest continued time and allowed leak rate on shell test and seal function test as following sheet.

壳体试验的试验温度、试验介质、试验压力、试验持续最短时间及允许渗漏率见表。

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Testing temperature. Testing medium. Testing pressure. The shortest continued time and allowed leak rate on shell test and seal function test as following sheet.

壳体试验的试验温度、试验介质、试验压力、试验持续最短时间及允许渗漏率见表。

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