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压力容器涂敷与运输包装
Coating and packing for pressure vessels transport
价格：￥0.00
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钢制压力容器焊接规程(附标准释义)
Welding specification for steel pressure vessels
价格：￥0.00
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等长双头螺柱
Stud bolts
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缠绕垫片
Spiral wound gaskets
价格：￥0.00
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非金属软垫片
Nonmetallic gaskets
价格：￥0.00
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长颈对焊法兰
Welding neck flange
价格：￥0.00
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