hardened steel
hardened steel
发布时间：2025-06-03 04:26:17
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相关试题
- 1.hardened steel
- 2.Steel structure is the engineering structures made of shaped steel and steel plate.
- 3.Galvanised steel is steel coated ___ zinc.
- 4.mild steel, low carbon steel
- 5.steel
- 6.______is the engineering structures made of shaped steel and steel plate.
- 7.If the carbon content of a type of steel is 0.1%, this steel is a kind of ().
- 8.carbon steel
- 9.steel structure
- 10.forged steel
