關於footings的百科

• footings造句怎麼寫

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