| 摘要 |
A degassing box of an automobile is provided to prevent a damage of a neck portion of a main reservoir and an erroneous operation of an air breather by not unloading the air breather of the main reservoir during a supply of a cooling water. A degassing box of an automobile includes a main reservoir tank(20) and a sub reservoir tank(40). The main reservoir tank is connected to an engine side and receives and discharges cooling water. An air breather(10) is installed at the main reservoir tank. The main reservoir tank is manufactured by opaque plastic material. The sub reservoir tank is connected to the main reservoir tank, and supplements the cooling water supplied from an exterior in the main reservoir tank. The sub reservoir tank is positioned at an upper side of the main reservoir tank so that the cooling water is supplemented in the main reservoir tank. The sub reservoir tank is manufactured by transparent plastic material. A thickness of the sub reservoir tank is less than that of the main reservoir tank.
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