• 1. nominal diameter: 公称直径 | 公称通径 | 标称直径 | 称直径
• 2. nominal diameter of a roller: 滚子公称直径
• 3. Inside Nominal Diameter: 公称通径 | 口径范围

更多释义

• 1.The value of tightening torque is relative not only to the nominal diameter and quality class of the bolt, but also to the security of the threaded fastener.
  指出螺栓联接的扭紧力矩值不仅与螺栓的公称直径及性能等级有关，还与能否保证联接可靠工作有关。
  dict.yoduao.com
• 2.Compared to the new wheel tread, the worn tread is easy to form two-point contact nearby the depression area of the nominal diameter position of wheel tread.
  与新用车轮踏面相比，测试得到的磨耗后车轮踏面在其名义直径位置凹陷区域附近容易形成踏面两点接触。
  dict.yoduao.com
• 3.Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
  流道孔径与阀门公称通经，基本相同的为全通径式；流通孔径比阀门公称通经小的称为缩径式。
  dict.yoduao.com

©2026 网易公司