1ã
æ¹é¢æ¯å®å¿çï¼ä¸åäºæ¹ç®¡ï¼æ²¡æå度æ åï¼åªæé¿åº¦ãå½æ ä¸çæ¹é¢åªæé¿åº¦æ åï¼ä½æ¯æªé¢æ¯æ£æ¹å½¢ï¼æ²¡æ50x25尺寸ã
2ã50Ã25çè¾¹é¿ä¸ç¸çï¼åºç§°ç©å½¢é¢ç®¡ã
3ã50Ã25 ç©å½¢é¢ç®¡å½æ å度æ0.7--3.0mmã