单选题:压力容器产品的焊接试板焊接应由( )来承担。

题目内容:
压力容器产品的焊接试板焊接应由( )来承担。 A.焊接产品的焊工
B.压力容器安装单位技能熟练的焊工
C.产品制造单位技能熟练的焊接人员
D.持有压力容器焊接资格证的焊工

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Would you mind not picking the flowers in the garden? They a

Would you mind not picking the flowers in the garden? They are    everyone's enj

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It took me a long time before I was able to fully appreciate

It took me a long time before I was able to fully appreciate what they   for me.

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