å¦æè¡£æä¸æ¯è¶æ°´ï¼å¯ä»¥ç¨ä»¥ä¸æ¹æ³æ´æï¼
1.
é¦èæ°´æ¸
æ´ï¼æé¦èæ°´æ»´å¨è¶æ¸ä¸ï¼åç¨å·åä¸æå°åå¤å·æ´ï¼å¾
è¶æ¸å软ä»è¡£ç©ä¸è±ä¸åï¼åç¨æ¸
æ°´æ¼æ´ã
2.é
ç²¾æ¸
æ´ï¼å°è¡£ææ²¾ä¸è¶æ°´çé¨åæ¾å¨é
精溶液éé¢æµ¸æ³¡ï¼å¤§æ¦åå°æ¶åï¼å½è¶æ°´è±è½ååç¨æ¸
æ°´æ´å»ã
3.å·å»æ³ï¼å¯ä»¥å°è¡£ææ¾å¨å°ç®±éå·å»å 个å°æ¶ï¼è¶æ°´å¨å·å»æ
åµä¸ï¼ä¼å¤±å»æåï¼èªå¨å°±ä¼è±è½äºãç¶åæ¿åºè¡£æ常è§æ¸
æ´å°±å¯ä»¥äºã
4.ç»ç¼æ²¹ï¼å¨ååå¨éä¸è¬æç»ç¼æ²¹ï¼å®çææå¾å¥½ï¼ä½¿è¶æ°´è½å¾å¿«å软ï¼ç¶åç´æ¥æ´æå°±å¯ä»¥äºã
5.
æ¸
åæ²¹ï¼å¨æ²¾æè¶æ°´çå°æ¹ï¼è½»è½»å°æ¶ä¸ä¸äºæ¸
åæ²¹ï¼ç¨æè½»æä¸ä¼ï¼å¤§æ¦ååéåï¼å°±ä¼åç°è¶æ°´å软äºï¼ç¶åç¨æ£ç¾è½»è½»å°é¡ºçè¡£æç纹路ï¼ä¸ç¹ä¸ç¹çå°è¶æ°´å¥ç¦»ãå°è¶æ°´å»é¤ä»¥ååæ¸
æ´è¡£ç©å³å¯ã