口诀这指按着那指抻这指抬起把位新臂手重心后调整好比螃蟹在爬行关键词螃蟹爬行利用抻指和缩指动作来完成换把,是一种没有滑音、不露痕迹、声音纯净、清晰的换把,具有很好的实用价值。谱例96拉罗《西班牙交响乐》第四乐章抻缩指换把能减少换弦,帮助旋律实现音色的统一。谱例97巴赫《g小调无伴奏奏鸣曲》之赋格此处为抻指换把,因为这两个音是乐句的倾向音至结尾音, This refers to the means that refers to the fingers 抻 refers to lift the arm position after the new arm to adjust like crab crawling Keywords Crab crawling using 抻 fingers and thumb movements to complete the change is a no slippery sound, Sound pure, clear change, with good practical value. Spectrum 96 Loro “Spanish Symphony” the fourth movement 抻 Shrink means to reduce the change of string, melody to help achieve the unity of tone. Spectrum 97 Bach “Fuchs in the Minor Accompanied Sonata of the Minor” is here a fingering because the two tones are the tendency to the end of a phrase,