我爸爸背冲着我站在洗碗槽边。

My father stands with his back to me, at the sink.

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因此，在铣背拉槽环节中应注意以下几点。

Therefore, in the milling back trenching session should note the following points.

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其构造变形经历了由隔槽式褶皱到“两背一断”，最终形成隔挡式褶皱的演化过程。

The structural deformation has experienced the evolution from trough like folds to "two anticlines with one fault", and finally formed ejective folds.

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