含有水泵带动的循环水的外层壳体，用于包在需冷却部件的外面，尤指内燃机水冷却套。
A casing containing water circulated by a pump, used around a part to be cooled, especially in water-cooled internal-combustion engines.
含有水泵带动的循环水的外层壳体，用于包在需冷却部件的外面，尤指内燃机水冷却套。
A casing containing water circulated by a pump, used around a part to be cooled, especially in water-cooled internal-combustion engines.
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