I don't know管乐器的发声原理是管内空气拄的振动,当室内温度升高时管乐器的音调( ).A.变高 B.变低 C.没有影响答:A
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I don't know管乐器的发声原理是管内空气拄的振动,当室内温度升高时管乐器的音调( ).A.变高 B.变低 C.没有影响答:A
打击乐器,弦乐器,管乐器的发声原理,即使怎么敢变音调和响度的?
管乐器是靠什么发声的
管乐器是通过管内( )的( )发声
I don't know.
管乐器如何发声
I don't know?的同义句
“i don't know you know i don't know
管乐器是怎样的发声的,怎样改变音调的?
弦乐器和管乐器发声的音调分别与哪些因素有关?
I really don't know her和I don't really know her的区别
I don't know anything 和 I don't know nothing的区别
sorry,I don't know.
i don`t know much
I don't really know.
英语;I don't know
I don't know miss
I don't know him.