mechanism of the organ
/ˈmɛkənˌɪzəm ɒvðɪ ˈɔːɡən/
n
English · mechanism of the organ中文 · 管风琴传动机构Español · mecanismo del órganoFrançais · mécanisme de l’orgue
意味：All the parts between the manual keys and the pipes; in combination, they cause the organ to function. production of sound