welding quality control是什么意思 welding quality control怎么读
welding quality control的相关资料
welding quality control的用法和样例
- These attachments were considered secondary components, so no weld quality control has been imposed on the groove weld splice.
这些附连件被看作是次要的部件，所以在这种坡口焊接中没有进行焊接质量控制。
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