The kids, who had played MUDs before, were particularly crazy about it.
特别是那些玩过MUD的同学们，简直是着了迷！
Also in development are new drilling muds that cool the drill bit during operation.
新的钻探泥浆(用于在操作时冷却钻头)也在开发中。
Also in development are new drilling muds that cool the drill bit during operation.
新的钻探泥浆(用于在操作时冷却钻头)也在开发中。
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