| 摘要 |
an engine oil stored in an oil fan (10) transmitted to each engine part by an oil pump (20); a relief valve (30) supplied to a cylinder block (a); a chain drive (b); a piston (c); and a driving part (d) of cam and valve for cooling or lubricating the engine. The circuit improves cooling efficiency of the machine, reduces loss of power, and optimizes the effect of product design.
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