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潜艇船体结构焊工考试规则
Rule of examination for submarine hull structrue welder
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铝—钢过渡接头规范
Specification for aluminum-steel cladding transition joint
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船舶电缆敷设工艺
Installation technology of cables in ship
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船舶钢焊缝手工超声波探伤工艺和质量分级
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船舶钢焊缝射线照相工艺和质量分级
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