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技術(shù)部——雄厚的技術(shù)實力 Technical department with power technical force |
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焊接工藝評定（PQR）及展示廳 Welding processing evaluation and exhibition room |
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Technical
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技術(shù)部——雄厚的技術(shù)實力 Technical department with power technical force |
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焊接工藝評定（PQR）及展示廳 Welding processing evaluation and exhibition room |
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