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您的當前位置 > 首頁 > 實心螺栓套Ф14B
實心螺栓套Ф14B
產品名稱:實心螺栓套Ф14B
產品編號:20120409153343385
規格型號:Ф14B
簡 介:

  
  通用橡膠:是指部分或全部代替天然橡膠使用的膠種,如丁苯橡膠、順丁橡膠、異戊橡膠等,主要用于制造輪胎和一般工業橡膠制品。通用橡膠的需求量大,是合成橡膠的主要品種。丁苯橡膠:丁苯橡膠是由丁二烯和苯乙烯共聚制得的,是產量大的通用合成橡膠,有乳聚丁苯橡膠 、溶聚丁苯橡膠 和熱塑性橡膠( SBS )。 


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成年免费A级毛片免费看
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