footings的知识精选

“footings”可以造什么句,footings造句
Foryourfootingstopreventfrostheave.Wheneachfootingssupportsonlyonecolumn,itissquare.UltimatebearingcapacityofstripfootingsoninhomogeneoussoilfoundationundercombinedloadingBridgesarefirstdestroyed,thei...
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