The initial investigation indicates an air-conditioning unit crashed through the ceiling and sent air rushing in, creating a ball of fire.

初步的报告显示一台空调装置撞穿了天花板令空气涌入，造成一个火球。

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The initial investigation indicates an air-conditioning unit crashed through the ceiling and sent air rushing in creating a ball of fire.

初步调查显示一空调部件撞穿天花板并使热空气冲进而形成了一个火球。

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The operation of the rubber ball cleaning system has a great effect on the vacuum of the condenser and the economic operation of the unit.

胶球清洗系统能否正常运行对冷凝器的真空度及机组运行经济性影响很大。

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Using the Sokka unit basically involves kicking a ball against a flat playing surface containing a number of electronic sensors that monitor accuracy and technique.

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