They can only be strengthened by cold working ( also called strain hardening ).

它们仅可由冷加工增加强度 ( 也叫做冷加工硬化 ).

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Main: pull the welding parts, large pieces of Cold Working welding.

主营: 扳金焊接件 、 大型冷作焊件.

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Steely product basically has the distinction of hot - working and cold working.

钢铁产品主要有热加工与冷加工之区别.

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Offer the theoretical direction for cold working of the aquatic products.

为水产品的冷加工提供理论指导.

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The chromvanadized cold working dies can high service life.

用于冷作模具,能明显地提高使用寿命.

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Cold working strain phosphating includes drawbench phosphating, cold extrusion phosphating and cold stamping phosphating.

冷加变形磷化主要包括拉丝磷化 、 冷挤磷化、冷冲磷化.

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