如图所示四支相同的试管内装有不同深度的水.1用嘴贴着管口吹气则�出的声音的音调由低到高的顺序是 ..2用棒敲击试管则�出的声音 Template




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tomski如图所示四支相同的试管内装有不同深度的水.1用嘴贴着管口吹气则�出的声音的音调由低到高的顺序是 ..2用棒敲击试管则�出的声音 coloring