速掘的英文
英文翻譯
Quick digging
重點詞匯
速掘───quick digging
雙語使用場景
Discussion on the quick digging in coal tunnel big cutting face───煤巷大斷面快速炮掘探討
Quick digging
速掘───quick digging
Discussion on the quick digging in coal tunnel big cutting face───煤巷大斷面快速炮掘探討