发布时间:2025-01-30 04:25:56
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有限元材料库的参数为:45号钢密度7890kg/m3,泊松比0.269,杨氏模量209000GP.
室内总水阀坏了,请问这种球阀坏了怎么更换,水管是什么材质,会不会在更换时弄坏
2025-01-30 04:25:56求大神告知我想将梁的量和板的量合一起计算应该怎样设置呢梁是框架梁板是有梁板
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