tongue and groove method 中文意思是什麼
tongue and groove method
解釋
閉口式孔型軋製法-
The method is simple : put 8 12 pieces of floorboards together on flat ground. check combination for flatness and smoothness as well as the right tongue - groove osculation that should be neither too loose nor too tight by way of hand feeling and visual observation to judge the processing precision
舉例而言,廣州的年平衡含水率為17 . 3 ,那麼在廣州市場銷售的木地板的含水率就應該在717 . 3之間,含水率高於17 . 3或低於7的木地板都是不合格產品。
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