妈妈不开心
发表于 2025-3-30 10:47:08
Konstantin Momirović,Vesna Mildnerponents. The current work focused on the fabrication of a boron carbide (B.C) reinforced Al2014 alloy surface to make the composite material through a friction stir processing method. The effect of the volume percentage of boron carbide on the tensile strength and wear rate of the Al2014 surface com
shrill
发表于 2025-3-30 16:22:20
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–吃
发表于 2025-3-30 18:10:39
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Cupidity
发表于 2025-3-30 21:13:10
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