The strength and deflection of putlog as easy supporting girder, and the ledger is over and supported by putlog.
杆按照简支梁进行强度和挠度计算,大杆在杆的上面。
The strength and deflection of putlog as easy supporting girder, and the ledger is over and supported by putlog.
杆按照简支梁进行强度和挠度计算,大杆在杆的上面。
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