ããç«¹ç §æ¿ä¸éï¼ç«¹ç §æ¿æ¯æ¨ç §æ¿å¥½ã
ããç«¹ç §æ¿é¡¾åæä¹æ¯ç¨
竹ååæçèæ¿ï¼ç §æ¿æ¯èæ¿ç书é¢è¯è¨ãç°å¨çç«¹ç §æ¿æ两ç§å¶ä½ç±»åï¼æ´ç«¹å·¥èºåæ¼ç«¹å·¥èºãæ´ç«¹å·¥èºæ¯å°èªç¶çåçç¶
æ¯ç«¹æ®µè½¯åï¼ä¹åå±å¹³å½¢æä¸æ´åçæ ç¼ç«¹æ¿ï¼å°ä¸¤çè¿æ ·çæ ç¼å±å¹³ç«¹æ¿ç»è¶ååå¶èæãæ¼ç«¹å·¥èºåç¨ç«¹æ¡ï¼å°å
¶ç¨è¶æ°´å¨é«æ¸©è½¯åä¸ç²åèæãè¿ä¸¤ç±»ç«¹ç §æ¿è½ç¶å¶ä½æ¹æ³ä¸åï¼ä½åæ¶å
·æç«¹ç §æ¿çä¼ç¹ï¼æ¯æ¨èæ¿åå¡æèæ¿æ æ³æ¯æçã
ããä¸ã竹èæ¿çä¼ç¼ºç¹
ãã1.竹èæ¿åæ¨èæ¿ä¸æ ·ï¼é½æ¯å¤©ç¶ææå¶æï¼ä¸ååæ ¼ç竹èæ¿æ¯ä»¥å¤©ç¶æ¤ç©å¶æãç±äºç«¹åæ¬èº«ç没æå¤æç纹çï¼æè´¨ä¹æ¯è¾ç»å®ç´§å¯ï¼å æ¤é¿æ使ç¨ä¹ä¸å®¹æå¼è£åæ渣ã大家é½ç¥éï¼èæ¿ä½¿ç¨è¿åï¼ç»å¸¸ä¼æ®ä½ç©æ»çå¨èæ¿ä¸ã使ç¨ç«¹èæ¿ç好å¤å¨äºèæ¿è¡¨é¢ä¸å®¹æå¼è£ï¼æ±¡å¢å°±ä¸æå µå¡å¨ç¼ééï¼æ¸
æ´èµ·æ¥æ¯è¾æ¹é¢ï¼ä¹æ´å¹²åãä»åæ½®çè§åº¦èèï¼ç«¹åçå¸æ°´æ§æ²¡ææ¨æé£ä¹å¼ºï¼æ´å¹²åå容æé£å¹²ï¼ä¸å®¹æåé;
ãã2.å½æ硬ç©éè¦ååæ¶ï¼å°±è¦çèæ¿çå度ã竹èæ¿ä¸ä¸ªæ¯è¾ææ¾ç缺ç¹å°±æ¯ç«¹æ¿çå度æéï¼ä¸ºäºå¼¥è¡¥è¿ä¸ªç¼ºé·ï¼å¤§å¤æ°äººä¼ç¨è¶å°ç«¹æ¿ç²å¨ä¸èµ·åå缩ï¼è¿å¿å¿
ä¼å¯¼è´æååå¨ç¼éï¼æåä¹æ¯ä¸ºç»èæä¾äºå¤æãè½ç¶ç«¹èæ¿ç»ä¸èµ·éå»ï¼ä½æ¬èº«ä¹æ¯æ¯è¾â硬âçï¼ä½¿ç¨æ¶æ´å®¹æâ伤åâã
ããäºãæ¨èæ¿ä¼ç¼ºç¹
ãã1.æ¨èæ¿ä¹æ¯å¤©ç¶åæï¼å¨å å·¥çè¿ç¨ä¸ä¸åå¨ç¨è¶çé®é¢ï¼ä»è¿ç¹æ¥çï¼ç®æ¯æ¯è¾ç¯ä¿çéæ©ãæ¨èæ¿ç»§æ¿äºæ¨æçç¹æ§ï¼âæ¦åâçæè´¨ä¿è¯äºæ¨èæ¿çé§åº¦ï¼å æ¤æ¯ç«¹èæ¿æ´éåç¨æ¥ååèææ¯è¾å硬çé£ç©;
ãã2.åæ¨èæ¿ææ¾çä¼å¿ï¼å®ç缺ç¹ä¹æ¯æ¾èæè§çãæ¨èæ¿ç硬度ä¸å竹èæ¿ï¼ä¸åæ¯ä¸»è¦ç¨äºåæ¯è¾å硬çé£ç©ï¼é¿æ使ç¨åèæ¿è¡¨é¢å®¹æçä¸ç çï¼è¿äºåçå°±æ¯æ¥åç»èæ»ççå°æ¹ãèä¸æ¨æçå¸æ°´æ§å¼ºï¼å®¹æåéãæ¨æä¹æä¸åçç§ç±»ï¼è´ä¹°æ¶è¦æéæ¾å¿çæ¨å¤´ï¼ä¾å¦
æ©¡æ¨èæ¿å°±æ¯æ¨èæ¿ä¸æ¯è¾åºå½©çï¼å
¶è½¯ç¡¬éä¸ãä¸è´¹åä¹ä¸å®¹æçè£ï¼ä½¿ç¨æ¶è¿ä¸ä¼äº§çæ¨å±ï¼å¯ä»¥è¯´æ¯å
¼å
·äºç«¹èæ¿åæ¨èæ¿çä¼ç¹åå±è½äºäºè
ç缺é·ï¼æ¯ä¸ç§å¼å¾èèçéæ©ã