éè¦ç¥éå§åãåçå°ç¹ãè¯ä»¶å·ç æå¯ä»¥æ¥è¯¢ã
ããç¹ç§ä½ä¸æä½è¯æ¥è¯¢ç»ä¸ç½ç«ä¸ºåçå®å
¨çç£ç产管çå±ç½ç«æ¥è¯¢ã
ããå¯ä»¥å°çèçå®çå±ç½ç«æ¥è¯¢ã
ãã1ãè¿å
¥å®çå±ç½ç«çæ¥è¯¢ç³»ç»ã
ãã2ãè¾å
¥è¯ä»¶å·ç ãå§ååè¯ä»¶ç±»åã
ãã3ãç¹å»æ¥è¯¢ã
ãã4ãç¹å»åä¼æ¾ç¤ºè¯ä»¶çä¿¡æ¯ã
ããæ¥è¯¢é¾æ¥åæ¥è¯¢ä¾åï¼
http://zhidao.baidu.com/question/384187516.html