气缸盖带有用于冷却的水套，在装配发动机时，这些水套通过出水口与气缸体水套相连通。
Cylinder head contains water jackets for cooling in the assembled engine, these water jackets are connected through openings to the cylinder-block water jackets.
气缸体清洁之后，检查有无裂痕，尤其是气缸壁、顶部、冷却水套和主轴承腹板。
After the Block is cleaned, inspect it for cracks, especially in the cylinder walls, top, water jackets, and main-Bearing webs.
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