芦管石是枯死的芦苇在富钙的环境当中形成纵横交错芦苇状的岩石。
Flower stone is withered reeds in the environment of calcium-rich crisscrossed reed of rock.
维也纳双簧管，只打了在维也纳，从国际上发挥了法国双簧管的不同，它具有特殊的孔形状，一个特殊的芦苇和特殊指法。
The Viennese oboe, played only in Vienna, differs from the internationally played French oboe in that it has a special bore shape, a special reed and special fingering.
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