放下锤子和螺丝刀，将套筒扳手放到螺母上拧动。

Put down the hammer and screwdriver, and place the socket over the nut and turn.

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那么，放下锤子和螺丝刀，将套筒扳手放到螺母上拧动。

So, put down the hammer and screwdriver, and place the socket over the nut and turn.

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成功使用套筒扳手的关键在于模式匹配：套筒扳手必须与螺母相匹配。

The key to success with a socket wrench is pattern matching: The socket must match the nut.

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