• 1. 多排孔: multi-row core
• 2. 多排孔砖: Holes Brick
• 3. 多排孔砌块: block with multi-row cores

更多释义

• 1.此外，文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
  Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
  dict.yoduao.com

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