熱雙金屬帶5j20100
2024-12-17
熱雙金屬5J20110、5J1480、5J1270、5J1306、5J1309、5J1325等◇產品特點：熱雙金屬是由兩層或兩層以上具有不同線性膨脹系數的合金牢固結合的復合材料。膨脹系數較大的合金層稱爲主動層，膨脹系
品牌：熱雙金屬 規格：0.5*100*C 產地：江蘇 材質：雙金屬
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