At the end the drill is free.

钻头末端是空的。

youdao

Drill two tunnels at the PCL attachment point inside the thighbone, intersecting with the reconstructed 1igament from the two tunnels behind the shank, fixing the free end using the absorb bolt.

于股骨内髁PCL附着点处分别钻取前后两隧道，与胫后内外两隧道引出的重建韧带形成交叉，游离端使用可吸收螺钉固定。

youdao

The influence of the initial deflection on the nonlinear lateral free vibration of drill stem is discussed.

讨论了初弯曲对钻柱横向非线性振动的影响。

youdao

The Plan B drill continued to lead the efforts to free the men, reaching a depth of 333 meters (1, 092 feet) on Thursday, the government's rescue coordinator Andre Sougarret said.

CNN: STORY HIGHLIGHTS

In the past six years, four of the top 12 performers in the three-cone drill were drafted by the Texans or signed by the team as an undrafted free agent.

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Neither I, nor Governor Romney, nor anyone that believes in free markets would ever accept such interference in the affairs of corporations and small businesses that drill for and produce oil.

FORBES: Virtually nothing.