ç®åæ°§åéå¤æ¯ç±é¢éåçé
¸éåºæ°´åæ¶ç,ä»·æ ¼é常ä½å».å¾å¤ä¸è¬å¨2000-3000RMB/å¨. ç´æ¥ç±åè´¨éæéç¿ç产çä¸æ°§åäºéæ¯ææ¬é«,ä»·æ ¼ä¸æ²¡åæ³ä¸ä¹ç¸æ¯ç.
éç¿ç³ç产ä¸è¬ä½çæ°§åé,å¯ä»¥ç¨äºé¢æçè¦æ±é«çè¡ä¸,ä½è¿å¹´ä¹æ被æ¿ä»£çè¶å¿.
å±±ä¸åå±±æä¸é¨ç±ç¿ç³ç产氧åé红é¢æçå
¬å¸,è¿å·²è½¬äº§,æå¾å¤ææ¯äººå,å¯ä»¥å¨è¯¢ææ´å©.
æ¥å°ä¸ä¸ªè®ºææè¦:
http://www.ilib.cn/Abstract.aspx?A=jsks200610008