发布时间:2025-01-19 02:30:53
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。
徐工25k吊车在收垂直支腿的同时水平梁也跟着同时收回请各位指教是什么故障怎样排除
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