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1·During the rehabilitation construction of 1985, the asphalt facing was covered by the sand gravel with a stone pitching surface.

1985年对该坝采用 砂砾石料覆盖和沥青混凝土面板加固等综合措施进行了处理。

2·In ancient Egypt, as ever, where pitching stone was a favourite children's game.

在古埃及，松脂岩仍是最为孩子们喜爱的运动。