desk type food baker 台式食品烤炉
desk type automatic telephone 台式自动电话机
desk type dental drill engine 台式牙钻机
desk type electric alarm clock 台式电闹钟
desk type luminous electric clock 台式夜光电钟
desk type cereal moisture tester 台式谷物水分测定仪
desk type scanning electronic microscope 台式扫描电子显微镜
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