新型机械锚杆
new type mechanical anchoring bolt
船用机械锚
automatic grapnel for marine purpose
顶应力锚杆锚索
prestressed anchor-sticks
机械锚固方法
mechanism anchorage method
锚杆扩大基础
anchor bolt expanded foundation
锚杆锚固质量
Anchoring Quality of Anchored Bolt
bolt bonding quality
锚杆-锚索-锚注联合支护
combining support of bolt-cable-grouting
人工成孔锚杆
artificial hole forming anchor
砂浆锚杆锚固体
mortar bolt anchoring body