0.07=ESB1-(-0.029) ESB1=0.041 EIB0=EIB1-ESB2

0=EIB1-0 EIB1=0

-0.041

则 B1=3600mm

②A1=A0+A2=460+205=665

TA0=TA1+TA2 TA1=TA0-TA2=0.2-0.029=0.171(IT9) ESA0=ESA1-(-0.029) ESA1=0.071

EIA0=EIA1-ESB2 -0.1=EIA1-0 EIA1=0.1

+0.071

故 A1=665-0.100mm