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连续铸钢板坯
Continuous casting slabs
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连续铸钢方坯和矩形坯
Cantinnous casting square and rectangular blank
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凿岩用橡胶钎肩中空六角形钎杆
Hollow hexagonal drill rods with rubber collared shanks for rock drilling
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桥梁伸缩装置用型钢
Section for bridge expansion and contraction installation
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塑料模具钢模块技术条件
Specification for die blocks of plastic die steel
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刮板输送机热轧矿用槽帮钢型式、尺寸
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