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文章拓展页 1（14）
Bellows failure
Bellows failure
Valve adjustment
Valve adjustment
Homomorphic Metaphone
Homomorphic Metaphon
Harmony main slot
Harmony main slot
Total pitch change
Total pitch change
Starting frame base
Starting frame base
Shell plate lap
Shell plate lap
Variable tone moving slide
Variable tone moving
Air tightness test
Air tightness test
Bass transmission components
Bass transmission co
Sound slot fault
Sound slot fault
Keyboard case body
Keyboard case body
Phonological combination
Phonological combina
Spindle eyelet
Spindle eyelet

          



          



          



           



           



          




     





琴键松翘，贝豆塌串，开合长鸣，箱体漏气。


Accordion repair in Shanghai