"±¤»ê¾÷" °Ë»ö°á°ú (2°Ç)
º¸±â¹æ½Ä
20°³¾¿º¸±â
䱤 »ê¾÷ (Mining Industry) ¼¼·ÎÇü PP
31,000¿ø 21,500¿ø
±¤¾÷ (Mining Industry)_ÆÄ¿öÆ÷ÀÎÆ® PPT