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Uploaded by wchao38 on May 19, 2008
門片導入軌道穩定度連續啟閉測試:避免摺疊門在運作當中無預警的停斷或斷電,門片隨機停止,再啟動無須擔心門片會卡在軌道外側或是卡住。
Science & Technology
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