A new type of fast drilling agent KZ-1 developed by ourselves was evaluated in laboratory.

对自行研制的新型快钻剂KZ - 1进行了实验室评价。

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Unlike the easily changed offshore drilling leases and malleable regulation policies, the suburban problem is fast becoming intractable.

并不像海底钻探协议和有弹性的规定政策那样容易改变，郊区化问题正变得更加棘手。

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Drilling fast, easy slag, the smaller the turning resistance.

清渣容易、回转阻力小、钻进速度快。

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Signor has been active in Texas real estate and energy businesses (depending on the cycle) since the early 1990s, and was working on an industrial park in South Texas when he saw the spartan state of temporary housing that was springing up to house drilling workers in the fast-developing oilfields there.

FORBES: Building A Better Man Camp Means Growth For Signor Development Group

Now fast-forward to 2013, where in the past few weeks the Curiosity rover has been drilling into some different rocks half a planet away, inside a deep basin formed by the Gale impact crater.

CNN: Have a drink on Mars