guide hole是什么意思 guide hole怎么读
guide hole的用法和样例
- The plastic hose should have the correct external diameter in relation to the drill hole.
塑料软管的外径应该与炮眼直径相适应。 - The explosive from the lorry is delivered to the shot hole by means of a compressed air.
从卡车上直接用压缩空气将炸药装入炮眼。
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