第1个回答 2018-07-04
S外=(24.04+11.8-0.24*2)*2*(3.10*3-0.12)-1.2*2.5-1*2*2-1.5*1.6*39=530.61m2
S内240=(5-0.12-0.06)*2*6*(3.10-0.12)*3=517.089m2
S内120=(20.04-0.24)*2*(3.10-0.12)*3-(3.4-0.24)*(3.10-0.12)*3-0.9*2*13*3=327.094m2
V=(530.61+517.089)*0.24+327.094*0.12=290.70m3