ȳϼ 亯 ʾ ˼մϴ^^ ؾϴ 쿡 帮 1. 15-20̻ ð ִ° 2. Ϸ 40%~50%̻ ð ϴ 3. ÷ ð ϴ (ַξ̵) 4. ̿ 뷫 帱 ֽϴ. ʰ ÷ þȰ汳 ȸǴ 찡 ܴ ؿ ˴ϴ 10 ̻ ʰ þ翡 ٶ ֽϴ. ڼ 湮Ͻþ Ȯ ˻ Ŀ Ǽ ֽϴ. ϱ Դϴ. ǰϼ^^