在这样的情况下，要使发动机保持良好的工作状态，只有整修气缸表面，并配装新的活塞和活塞环。
In such a case, the only way to get the engine Back into good operation condition is to refinish the cylinders and fit new pistons and new rings to them.
安装在汽车表面整修部门的喷漆、烤漆房的顶棚，作为通风设备的最终空气供给过滤棉。
Installed at the ceiling of the spray booth for automobile surface coating and repair departments, worked as the filter media for the terminal ventilation device.
安装在汽车表面整修部门的喷漆、烤漆房的顶棚，作为通风设备的最终空气供给过滤棉。
Installed at the ceiling of the spray booth for automobile surface coating and repair departments, worked as the filter media for the terminal ventilation device.
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