A method is proposed to determine the bit footage when the drilling cost per meter reaches a minimum.

本文提出了一种按最低成本原则确定单只钻头进尺的实用方法。

youdao

Field tests also show that the self-resonating cavitation nozzle is highly effective in reducing bit wear, increasing drilling footage and drilling speed.

现场试验同样证实设计的自振空化射流喷嘴在保护钻头、减少钻头磨损及增加进尺、提高机械钻速方面有显著作用。

youdao

There is also a bit of footage from December Boys included.

从男孩包括的十二月起也有一点英尺。

youdao

From short clips off Google 's YouTube to movies and TV episodes downloaded from Apple 's iTunes store or Amazon's Unbox store to home movies from friends captured on a digital camcorder, and maybe even a bit of illegally pirated footage, consumers are getting their video from an astonishing array of sources.

FORBES: Magazine Article

From short clips off Google 's (nasdaq: GOOG - news - people ) YouTube to movies and TV episodes downloaded from Apple 's (nasdaq: AAPL - news - people ) iTunes store or Amazon's Unbox store to home movies from friends captured on a digital camcorder, and maybe even a bit of illegally pirated footage, consumers are getting their video from an astonishing array of sources.

FORBES: Digital Dreams: The Connected Living Room

Mayor MORAN: Well absolutely, they're about the same square footage, if not a bit more, but they have higher ceilings, and they're just much more appealing.

NPR: Law Stands in the Way of Sturdy Katrina Cottages