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The Main Technical Prerequisites And Difficulties of Castings for Bogies

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Bogie for subway coach I. Main Technical Demands: Safety is the sole Criterion Bogie frame castings are not common Forged iron parts. They bear the complete body weight of the car human body and travellers and repeatedly endure various impacts and vibrations in the monitor. Their specialized demands revolve round http://myworldgo.com/profile/okok0972/action_id/3396943/show_comments/1
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