readx;?
ww.qu.
185/506503.51
19701.8/1974()10/1978()20/198030/198139/20
3.01110.65111974113.1111.65
50.3
50020233839
17%
612
107
101617%
10171095%5%1018
197830
185/506503.51
19701.8/1974()10/1978()20/198030/198139/20
3.01110.65111974113.1111.65
50.3
50020233839
17%
612
107
101617%
10171095%5%1018
197830