发布时间:2025-01-18 11:57:32
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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.
给一个朋友家装修了家,不好意思张口向他要钱,可他也不吭气,该怎么办
2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32 2025-01-18 11:57:32我家有套房子户型不是三角形但有个卧室和阳台有尖角像三角形邻居说这户型不好风水有影响懂这方面
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