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蠕墨铸铁件
Vermicular graphite iron castings
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铸造黄铜 金相
Cast brass Metallography
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熔模铸造型壳高温热变形试验方法
Test method for hot deformation of investment casting shell
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铸钢混流式转轮
Steel casting for francis runner
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铸件模样型芯头.基本尺寸(报批稿)
Core print for casting form Basic dimensions (documents submitted for approval)
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铸件模样.起模斜度
Casting form Pattern draft
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重型机械通用技术条件 铸钢件补焊
The heavy mechanical general techniques and standards Repair welding for steel castings
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