bolt hole
英
美
- 螺栓孔
详细释义
名词 bolt-hole:
-
a hole through which an animal may bolt when pursued into its burrow or den
双语例句
- The bolt holes are in the unit base.
螺栓孔在单元的基部。 - There are three lifting holes and one lifting bolt hole on thefront and rear of the machine bed for plugging lifting hooks or bars.
床身前后共有三个起重孔和一个起重螺栓孔，用以插入起重工具。
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