Steel tooth bit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.

钢齿牙轮钻头增强了工作的平稳性，降低了牙齿的冲击载荷，使牙轮钻头的耐磨性能得到提高；

youdao

Insert tooth bit applies in every serious geography especially hard rock; it has stable drilling speed and can drill the hardness of rock at 1-6 grades.

镶齿牙轮钻头主要适用于地质较硬的岩层，它钻进速度稳定，可以钻进1-6级地质硬度，适用于各种恶劣的地质环境。

youdao

Along with the oil prospecting and production, the existent drilling bit (steel and tungsten carbide tooth bit) was not effective in some complicated stratum.

随着油气勘探开发的不断深入，现有牙轮(钢齿、镶齿)钻头已难以对一些复杂地层进行有效的钻进。

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Several of the book's 11 stories are set in Elk Tooth, a two-bit town of three bars and 80 residents, many with mouth-clogging names: Gilbert Wolfscale, Hard Winter Ulph, Wiregrass Cokendall.

ECONOMIST: New fiction

It might be able to catch up in technology to harness marine tides, says Niall Stuart at the Scottish Council for Development and Industry, and the government reckons its clusters of nuclear and oil expertise have under-tapped potential although British nuclear know-how is a bit long in the tooth.

ECONOMIST: The government has hopes of prompting a revival

All he had discovered was a piece of ape-like skull, a tooth and, some way away, a bit of humanoid femur, which he believed came from the same individual.

ECONOMIST: How man has learned, through history, about his habitat