发布时间:2025-01-31 11:55:52
1/6-1/4内。为保证梁底方木安装方便,弧形梁模板弧长控制在1.2m1.5m左右为宜。,三铰拱或弧形轻型桁架,至于拱高,可在1/6-1/4内取值,南方防风,北方防雪。
ps 2022全新磨皮降噪胶片三件套portraiturenoiseware realgrain
2025-01-31 11:55:53 2025-01-31 11:55:53 2025-01-31 11:55:53 2025-01-31 11:55:53 2025-01-31 11:55:53 2025-01-31 11:55:53 2025-01-31 11:55:53