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Դվԭ  ڣ2019-5-14

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    ̼ǥάͨ12K̼ǥԭ˿ģһֵӹֱ̲Ϊ̼˲̼ά̼֯άԤ̼άӹ̲̼̼ά֯ȡһڽṹӹ𵽷dzҪã̼ǥάһѡ߲ʺǽ޷Ԥϵĺ

                ̼ǥά

   1ǿȼ,һ̼Ҫȶ̼˲ĿǿȺ͵ģֵҪ,һ3400MPa,3000MPa,쳤ֵҲԸһ㡣

 2,г̼ĿͨΪ300g/O200g/O,Ҳ;ۺ,300˵ۺ200˵˵Ҫһ,2000.111mm,300˵0.167mmֿص̼жֿ:10cm.15cm.20cm.25.cm.30cm.50cm.ԼҪȡ

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