英语词汇“helical drilling”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	helical drilling
释义	helical drilling 基本例句螺旋钻进 The drill and drilling tools brought advantages in this test, and a lot of construction cautions of auger drilling technology were summarized.通过本次试验发挥了钻机及钻具的优势，并总结了螺旋钻进技术一些注意事项。
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