ϡˮཬ
5ʯ㣬漰ܱͿۼ
4ǿճ㣬༷ѹʵ
1.5ۺˮϷˮͿϷˮ㣨ˮϻ򰴹ƣ
ҽĨ81:0.5:2.5ˮʯҸɰɰѹףֲѹʵĨƽ
ˮཬһ
61:1:6ˮʯҸɰɨë򻮳Ƶ
3ӼרɰĨβڻһ˦ëĨǰȽǽˮʪ
ۺˮɰ޲ǽ 