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Uploaded by ggsteacher on Mar 8, 2011
一、洗臉盆排水管阻塞檢查 二、水龍頭水量會變小原因 三、洗臉盆下方漏水原因 四、洗臉盆搖晃處理方式。更多影片請上華人機電產業平台http://www.ggs.com.tw
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