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可拉伸以改变其长度，从小型钢琴变为平台大钢琴。
Stretch to change length from baby grand to concert grand size.
youdao
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大钢琴。可拉伸以改变其长度，从小型钢琴变为平台大钢琴。
Grand piano. Stretch to change length from baby grand to concert grand size.
youdao
-
大钢琴。可拉伸以改变其长度，从小型钢琴变为平台大钢琴。
Grand piano. Stretch to change length from baby grand to concert grand size.
youdao