关于footings的百科

• footings造句怎么写

• Foryourfootingstopreventfrostheave.Wheneachfootingssupportsonlyonecolumn,itissquare.UltimatebearingcapacityofstripfootingsoninhomogeneoussoilfoundationundercombinedloadingBridgesarefirstdestroyed,theirfootingsdistortordisintegrate,thencollapse,andtun...
• 2017-01-0413257