pre-drilling
/priːˈdrɪlɪŋ/noun
The action or practice of drilling in advance; especially the act of drilling a hole beforehand.
Origin
1930s. From pre- + drilling. Compare later pre-drill.
| 单词 | pre-drilling |
| 释义 | pre-drilling/priːˈdrɪlɪŋ/noun The action or practice of drilling in advance; especially the act of drilling a hole beforehand. Origin |
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