内高压成形零件的强化，以及重量更轻，由于结构的完整性和减少焊接或添加件。
Hydroformed parts are stronger and weigh less due to structural integrity and fewer welds or add-on pieces.
这种定位周围的重量大部分为周边强化偏离中心的影响性能。
This locates the majority of the weight around the perimeter for enhanced off-center impact performance.
毕竟对现有电子设备实施强化是困难的，且增加设备重量及费用。
Hardening of existing equipment is difficult and adds significant weight and expense.
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