Dimensions, thread gaging, minimum wall thickness and burst pressure, material classification, various quality aspects and requirements for marking identification are stipulated.

尺寸，螺纹规，最小壁厚和爆裂压力，材料分类，各种质量要求和所规定的标记和标识要求等。

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Thread dimensional specifications, minimum wall thickness and burst pressure, material classification, and requirements for marking identification were stipulated.

螺纹尺寸规格说明，最小壁厚和爆裂压力，材料分类，以及规定的标记标识的要求等。

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Every thread has a name for identification purposes. More than one thread may have the same name. If a name is not specified when a thread is created, a new name is generated for it.

每个线程都有一个标识名，多个线程可以同名。如果线程创建时没有指定标识名，就会为其生成一个新名称。

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