rigi 中文意思是什麼
rigi
解釋
里吉山-
Frp is a kind of composit materials which has high specific intensity high specific rigi low density excellent corrsion - resistance. in the fierce market competition, the emphasis of technic are focused on advancing quality reducing cost and advancing efficiency
纖維增強塑料（ fpr ）是一類具有比強度高、比剛度高、低密度、耐腐蝕性等優異性能的復合材料。
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