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1·Grey board or unlined chipboard are the normal boards used for case-making.

无里粗纸板是造书壳的常用材料。

2·Recorded in downtown Miami, the beggar with grey stubble and dressed in a tatty T-shirt and dark trousers, grins as he holds the board.

这位流浪汉在迈阿密市区乞讨，满脸白色胡茬，身着污渍斑斑的T恤衫和深色裤子，举着牌子时面露微笑。

3·Recorded in downtown Miami, the beggar with grey stubbleand dressed in a tatty t-shirt and dark trousers, grins as he holds the board.

这位流浪汉在迈阿密市区乞讨，满脸白色胡茬，身着污渍斑斑的T恤衫和深色裤子，举着牌子时面露微笑。

4·Have two mines, one mine of p018 (bluish grey) of p015 (rust board), collect mining and process the integrative natural SLATE manufacturer.

拥有p 015(锈板)矿山两座、p 018(蓝灰)矿山一座，是集采矿加工一体的天然板岩生产厂家。

5·The difference between the two pars is the flooring: grey resin for day, cool grey wood board for night.

两者之间的区别是地板标准杆：日间灰色树脂，用于夜间冷灰色木板。