service and support
弦列寬頻設(shè)計(jì)
String column broadband design
鋼板定位設(shè)計(jì)
Steel plate positioning design
優(yōu)化音緣設(shè)計(jì)
Optimize the sound edge design
不等厚音板設(shè)計(jì)
Unequal thickness board design
背柱增壓設(shè)計(jì)
Back column pressurized design
環(huán)境適應(yīng)設(shè)計(jì)
Environmentally adaptive design
擊弦機(jī)
Stringing machine
弦槌
Hammer
鍵盤(pán)
keyboard
弦軸板
Peg plate
共鳴板
Sound board
鑄鐵板
Cast iron plate
琴弦&踏腳板
String & step board