2bããè¨è¡ä¸¾æ¢ä¸é è°±,ä¸å¤ªæ£ç»,ç¥å¸¦è´¬ä¹
ããç½ç»ç¨è¯,æææ¯è¯´äººç¬¨çç²è¯
ããå®é
æ¯æå
天çä¸è¶³ä»¥åå天çå¤å¥
ããç½ç»ä¹ æ¯ä»¥è´¬ä¹ä¸»è¦æ¯å 为Bè¿ä¸ªè¯ 2bããB代表Blackï¼2æ¯ç¨åº¦ ï¼æ°åè¶å¤§å°±è¶é»ã
ãã2Bé
ç¬æ¯ç¡¬æ§é
ç¬ï¼å¨æ¶æ¹ä¸å®é¢ç§¯çæ¶å软
HB-6Bé
ç¬æ§é
ç¬æ¯è¾å®¹ææ¶ååï¼èä¸æéå±å
æ³½ï¼è¿ä¸å®¹ææè¯ã
ããå¨åç§ç¡¬æ§é
ç¬ä¸2Bçææä¸éèä¸é 价便å®
ããB=BLACK é»åº¦
ããH=HARD 硬度
ããBæ°è¶å¤é
ç¬å°±è¶é»è¶è½¯.
ããHæ°è¶å¤å°±è¶ç¡¬é¢è²è¶æµ
.
ããHBæ¯ä¸é´ç.
ããé
ç¬å12B,11Bï¼10Bã9Bã8Bã7Bã6Bã5Bã4Bã3Bã2BãBãHBãFãHã2Hã3Hã4Hã5Hã6Hã7Hã8Hã9Hã10H
ããBæ¯å软墨深ï¼12Bæ软墨ææ·±ï¼Hå硬墨æµ
ï¼10Hæ硬墨ææµ
ãæ ¹æ®å®é
éè¦ï¼2Bé
ç¬å¢¨ç深度éåèè¯æ¶æºè¯»å¡ã容æ书åããæ以æè²é¨è§å®ï¼ç½ä¸é
å·ççé¢å¡å¿
é¡»ç¨2Bé
ç¬æ¥ä½çï¼å¦åå½åºå·å¤çã
温馨提示:答案为网友推荐,仅供参考