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Welding Procedure Specification
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pétr., transp.
焊接工艺规范
welding procedure specification
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autom.
焊接工艺规范
程
naut., techn.
焊接工艺评定
(WPS)
pétr.
焊接程序规范
techn.
焊接工艺规程
weld procedure specification
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constr.
焊接程序说明书
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