在上周日的日出前，在瑞士东部的雪坡上向下望去，就是这样的一幅绝美的画面。
Such a sky perhaps existed before sunrise this past Sunday as viewed from a snowy slope in eastern Switzerland.
不久前的一天晚上，两姐妹坐在他们公园坡（纽约一地）宅子的后院，谈起他们的童年。
Theother evening, two sisters sat in the back yard of their Park Slope brownstoneand talked about their childhoods.
所以，焊前直接采用火焰切割坡口的工艺可行。
So before welding, the process flame cutting groove is feasible.
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