钢琴修理用切绒刀具的制作杨荣禄钢琴修理工作中，常需为乐器配置一些呢绒零件，如止音呢、挡托呢等等。配置呢绒零件，如果用剪刀从大块材料上剪取，显然不容易取规矩，装到琴上看起来也不漂亮。钢琴技师应该备有一个专用切绒刀具。笔者在此介绍一种切绒工具自制方法，每... Piano repair with the production of cutting tools Yang Ronglu piano repair work, often need to configure some of the instruments, such as woolen woolen parts, stop it and so on. Configuration of woolen parts, if scissors cut from the bulk material, apparently not easy to take rules, installed on the piano does not look beautiful. Piano technicians should have a dedicated cutting tools. I introduce a method of self-made cutting tools, each ...