Additional dynamic load during Spiral bevel gear meshing is main cause of vibration and noise. Based on national standard.
螺旋锥齿轮啮合时产生的附加动载荷是螺旋锥齿轮传动产生振动、噪声的主要原因。
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This three compartment backpack carries a digital pro SLR with lens attached, 2-4 additional lenses (up to 80-200 mm), a 17 "notebook computer, digital accessories and personal gear."