the basic materials used in civil engineering applications or in construction are:structural clay and concrete units,reinforcing and structural steel.4681
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/24 14:02:18
x͐JA_e@ "b]qm\ffP*([d
H.vFg&|fwE;9S!'@6.@(@ *شh@DZ (5L(fˠ
D^`УCHY?صʬ~8ne0TA(':l#=F*xS;yTr[PwK[j2}=j *rV?62MpF