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发动机的起动性在外界气温很低的情况下,会给起动发动机造成一定的困难。一般发动机的起动性能受如下因素的影响。(1)汽油的挥发性;(2)化油器的特性;(3)蓄电池的起动能力;(4)发动机起动转速;(5)机油粘度;(6)油泵性能;(7)节流阀工作特性;(8)恒温器的性能;(9)其它。
Engine startability in the case of low outside temperatures, will cause some difficulties starting the engine. General engine starting performance is affected by the following factors. (1) the volatility of gasoline; (2) the characteristics of carburetor; (3) the battery starting ability; (4) the engine starting speed; (5) oil viscosity; Operating characteristics; (8) Thermostat performance; (9) Others.