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To start the game, the object balls are placed in a triangular rack.
为了要开始游戏，物体球被放在一个三角形的架之内。
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In pool or pocket billiards there is a cue ball and 15 object balls.
在游泳池或口袋台球有一个主球和15球的对象。
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In pool or pocket billiards there is a cue ball and 15 object balls.
在游泳池或口袋台球有一个主球和15球的对象。
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