: 0.6838 =2.35(h) k1-xm)0.921-0.6838) V=vot1=23.5(m3) -0-890-2 '2=vot2=23.5(m3) 总容积V=+'2=47(m)∴ 2.35( ) 0.92(1 0.6838) 0.6838 (1 )1 1 1 h k x x A A = − = −  = 23.5( ) 3 V1 = v0 1 = m 2.35( ) 0.92(1 0.9) 0.9 0.6838 (1 ) 2 2 1 2 h k x x x A A A = − − = − −  = 23.5( ) 3 V2 = v0 2 = m 总容积 47( ) 3 V =V1 +V2 = m