网络释义专业释义
DOUBLE END SCREWS HANGER BOLT 双头牙螺丝
hanger bolt head 吊架螺栓头
bolt hanger 护点如螺丝挂圈
roof bolt hanger 锚杆吊架
双语例句
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A bolt pair (4) and a hanger (1) are fixedly connected above the two axial sides of a bracket (2) mounting hole or a slot respectively.
所述托架(2)安装孔或槽径向两侧的上方分别有螺栓副(4)与吊架(1)固定连接。
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Bolt (n. ) metal secured into a drilled hole in the rock as means of protection. Often accompanied by a hanger, an eyelet to which a carabiner can attach.
一种金属器材，通常钉在岩石上作为保护点，上面有洞可以连接钩环。
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