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railway parts

Max.size:1000mmweight:0.05-150kgTolerance:CT7-9Roughnessofthecastingsurface:Ra6.3-25Technic:openmould---Waxinjection--mouldshellmaking--lostwax--mouldshellbaking---pouring---sandblast---machining---su…
类别:precision casting 作者: 日期:2012-04-03 20.27.51 点击:1 评论:0