overbreak

US

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UK

A1 初級
n. (u.)不可數名詞超挖；超額開挖
The contractor was penalized for excessive overbreak during the tunnel construction.
n. (u.)不可數名詞超挖；爆破超挖
Minimizing overbreak is crucial for maintaining the stability of the mine.
n. (u.)不可數名詞隧道超挖
Careful blasting techniques can help reduce overbreak in tunneling projects.

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