| 摘要 |
A diesel cycle internal combustion engine having at least one cylinder with coplanar induction and exhaust valves and a precombustion chamber, in which the cylinder head is formed with a recess defining a combustion chamber with a projection on the crown of the piston, both the recess and the projection having a triangular cross section with respective upper surfaces being inclined at different angles from one another with respect to the longitudinal axis of the cylinder and respective side surfaces being inclined at substantially the same angle as one another with respect to the longitudinal axis of the cylinder.
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