drilling down-the-hole bit 潜孔钻头
Down hole hammer drilling 潜孔锤钻进
up down drilling 上下倾钻进
follow-down drilling 跟管钻进
To understand why requires drilling down into the mechanics of voting systems.
这就需要明白为什么深度探讨投票机制是必须的。
A deeper understanding of business process flow, gained by drilling down into applications.
通过深入应用程序内部,得到对业务流的更为深入的理解。
Provides a chart view for drilling down to sales distribution by region for a specific brand.
提供一个图表视图,可针对特定品牌按地区下钻销售分布信息。
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