時間
顯示所有 20 個結果
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DIY簡易滴水時鐘 DIY SIMPLE WATER CLOCK
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12時制二針聯動小鐘面（學生用） 12 hour pupil clock
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DIY三針非聯動鐘面
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DIY日曆筆筒
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DIY電子鐘
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日夜鐘
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齒輪聯動鐘
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24時學習器
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DIY齒輪帶動小時鐘
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DIY赤道式日晷 太陽鈡模型(中華古代計時器)
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DIY中華古法水鈡(流水計時鐘)
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古風十二時辰掛鐘(十二地支計時法)
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24時制三針聯動鐘面(演示用) 24 hour teacher clock
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磁性教學鐘面黑板貼 Magnetic Clock blackboard sticker
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12時制三針聯動小鐘面（學生用） 12 hour pupil clock
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沙漏 Hourglass
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鐘面原子印(φ2.5cm) clock chop
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三排100道多功能電子秒錶 Stop Watch 100 Memory
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電子秒錶 Stop watch(單通道)
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數字鐘演示模型 4 digits scoreboard
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