| 摘要 |
The exhausted-gas recirculation path is constructed that a gas collecting path is provided on an exhaust surface, a valve entrance-side path and valve exit-side path are provided on a valve-mounting surface, and a gas incoming path is provided on a suction surface of a cylinder head, a distribution path is provided on a suction surface of a suction pipe, thereby increasing the durability of an engine and vehicle.
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