| 摘要 |
In a one-cylinder or multi-cylinder internal combustion engine there is provided in the cylinder cover (7) a drainage duct (12, 14), which at one end opens radially inward of the annular gasket in the region of the inner rim of the cylinder liner (2), and whose outer end is in communication with the intake port (13) or exhaust port (15) in the cylinder cover (7).
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