The strength and deflection of putlog as easy supporting girder, and the ledger is over and supported by putlog.
小横杆按照简支
强度和挠度计算，大横杆在小横杆
上面。
复数形式）The strength and deflection of putlog as easy supporting girder, and the ledger is over and supported by putlog.
小横杆按照简支强度和挠度计算，大横杆在小横杆上面。
声明：以上例句、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
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