2128
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5
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谁能介绍一个这种材料 |
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点评
原来摆蠹还会跟楼主躲猫猫呀 ^_^
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点评
SKC 3 - GG 25 p = 10 N/cm2 ;Safe surface load, dynamic 15 [N/mm2] ;Safe surface load, static 100 [N/mm2]
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