The Sort of Bolt的意思|示意

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那种螺栓

The Sort of Bolt的网络常见释义

锚杆种类 ...研究方法及技术路线(Research Approaches and Technique Course) 锚杆种类(The Sort of Bolt ) 机械式可回收端锚锚杆的结构特点(The Structural Featuer of the Mechanical Recoverable End-anchored Bolt) ..