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日标的SAFH590D钢种对应国内标准或者欧洲标准的什么钢种？具体用途为何？
日标的SAFH590D钢种对应国内标准或者欧洲标准的什么钢种？具体用途为何？
2025-03-15 08:30:49
推荐回答（1个）
回答1：
比热容又称比热容量,简称比热(specific heat),是单位质量物质的热容量,即是单位质量物体改变单位温度时的吸收或释放的内能.比热容是表示物质热性质的物理量.通常用符号c表示.
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