钢踏步底板 Steel Sub-Tread
钢琴踏板 soft pedal ; piano pedal
踏板钢弦 PedalSteel
不锈钢迎宾踏板 Stainless Steel Door Sill ; Stainless steel welcome pedal ; stainless steel blossom pedals
踏板钢弦吉他 Pedal Steel
浅议钢琴踏板 Journal of Huainan Teachers College
钢琴踏板的原理与运用 The World of Music
对钢琴踏板研究的研究 Journal of Tongling College
谈谈钢琴右踏板的使用 Journal of Zhaoqing University
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