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量产全单琴，对原材料储存风干有要求；另外一体柄头真的好吗
音色有要求，所以面板选择不再把外观放在首要位置，会更注重产地，原材料储存风干时限。另外梁架材料必须与面板材料高度一致。我们是否要迷信一体柄头，是否会更牢固
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