sander散沙學術名詞噴砂器:電機工程、電力工程、機械工程撒砂器:電機工程、電力工程、機械工程外洗平原:地球科學、測量學砂磨機:電子工程砂紙磨光機:機械工程磨砂機:舞蹈英文釋義a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor