@LgΕ·
ͺ
{½m (ΰ¨AΆεALγη)1718 N|1774 N
δγ± (A―VAΰ )
{½ΐ (³Y)°dγωΖ ͺ692EΆ»9N
{½ (δγ)°dγωΖ ͺ692EΆ»9N
{½Άg
