It's also a good idea to wash your engine with warm soapy water every couple of weeks to dislodge the excess dust and grime that builds up on your engine block.
每隔两周用温肥皂水清洗引擎也是个好主意，这样可以去除堵塞气缸的过量粉尘和污垢。
Yet the sound of the engine made everything seem warm and safe. Then, out of the fog he saw a mountain.
然而，发动机的声音表明，一切都是那么温馨和安全。
This is because a proper warm-up can assist the oil to form an oil film between the engine parts and components, and then reduce the wear of engine parts.
这是因为，合理的预热能够协助机油在发动机部件与部件之间构成“油膜”，然后削减发动机部件磨损。
This is because a proper warm-up can assist the oil to form an oil film between the engine parts and components, and then reduce the wear of engine parts.
这是因为，合理的预热能够协助机油在发动机部件与部件之间构成“油膜”，然后削减发动机部件磨损。
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