"The drill hole is just a pinprick on an elephant's back," he said.

“钻井对于整个岩浆体来说只不过是大象背上的一个小针孔。”马施说。

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Drill a hole in the back case for the wires to exit through.

钻一个洞，回来的情况下退出电线通过。

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Here's a good drill to groove the push-back move.

以下的练习可以有助于习惯向后推的运动。

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Here's a good drill to groove the push-back move.

以下的练习可以有助于习惯向后推的运动。

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