EN12680-2超声波标准理解

1.
production welding：any welding carried out during manufacturing before final delivery to the purchaser。
joint welding：production welding used to assemble components together to obtain an integral unit。
finishing welding：production welding carried out in order to ensure the agreed quality of the casting。
这三个焊缝如何翻译比较好？

2.标准中还说了“indications with measurable dimensions”, 如何理解可测量尺寸的缺陷？是不是缺陷的尺寸大于该处声束宽度的一半时就可以认为该缺陷是可测量尺寸的缺陷？或者根据该标准附录B来理解？

1.
production welding焊接：any welding carried out during manufacturing before final delivery to the purchaser。
joint welding焊接接头：production welding used to assemble components together to obtain an integral unit。
finishing welding焊接修补：production welding carried out in order to ensure the agreed quality of the casting。
这三个焊缝如何翻译比较好？

2.标准中还说了“indications with measurable dimensions”, 如何理解可测量尺寸的缺陷？是不是缺陷的尺寸大于该处声束宽度的一半时就可以认为该缺陷是可测量尺寸的缺陷？或者根据该标准附录B来理解？

在某个或多个方向缺陷的测量尺寸大于该处声束宽度时就可以认为该缺陷是可测量尺寸的缺陷以及附录C