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全铝不等于所有金属零件都是用的铝合金,底盘就是钢的。 下面这段是Car and Driver杂志的,说了F-150上的钢制零件,里面包括side impact beams:
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More than 90 percent of the F-150’s cab is aluminum, and the bed is entirely aluminum. That’s a lot of aluminum. The only notable steel components in the truck are the door latches and hinges, body rivets, mounting studs for fitting bolt-on parts, the cross-door side-impact beams, the majority of the firewall, and, of course, the frame. The steel firewall, by the way, is used because steel has optimal noise, vibration, and harshness–quelling characteristics; Ford’s piece uses two bits of steel with a damping material sandwiched between them.
https://www.caranddriver.com/new ... he-2015-ford-f-150/ |
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