2/△P 8k△ t亿!△t &Q PAC一&FC LeS Ca U △L 3一se→3 Ic crum prob. 7.6 匚R(m)=0001 Q 20(MPa) Ap_5( dpdLμPa 2.00E07 166 4.00E07 5.599 100233.3229 8.00E07 7.826 2.935 326.1 0005