Question: What concentration of additives might be found in typical diesel engine crankcase oil?
问题：在典型的柴油曲柄箱机油中，添加剂的浓度一般是多少？
The engine crankcase and block are usually cast into one piece and therefore can be seem as the largest and most intricate piece of metal in automobile.
发动机曲轴箱和气缸体通常铸造成为一体，因此算作汽车中最大且最复杂的金属结构。
The crankshaft revolves in bearings located in the engine crankcase, but the number of bearings used usually depends on the number of cylinders in the engine, and the design of the engine.
曲轴在发动机曲轴箱带动轴承旋转，但是轴承的数量通常由发动机内气缸的数量和发动机的设计来决定。
A very severe explosion can damage the crankcase door and cause fire in the engine room.
非常剧烈的爆炸会损坏曲轴箱防爆门，引起机仓着火。
Without the oil, compression games would escape into the crankcase area, which will make effect on the performance of the engine.
如果没有机油，压缩的气体会从曲轴箱溢出，这会对发动机的性能带来影响。
The crankcase is the lower part of the engine cylinder block .
曲轴箱是发动机气缸体较低的部分。
One-piece cylinder and crankcase assembly provides superior engine rigidity and light weight.
单件气缸和曲轴箱总成发动机提供卓越的刚性，重量轻。
Check to make sure the engine is mounted on a level surface so that the crankcase is free of tension.
检查确定引擎安装在平实被板上以便曲轴箱免于应力。
These new tests can ensure better durability of engine at high temperature and high levels of soot in the crankcase.
这些新试验能确保提高发动机在高温和高烟炱工况下的耐久性。
Ther right crankcase is an important part of the motorcycle, the quality direct influence engine performance and vehicle quality, and the processing requirements of the oil duct hole is higher.
右曲轴箱是摩托车上的一个重要零件，其加工质量的好坏直接影响发动机性能和整车质量，该零件的油道孔加工要求较高。
The ways of intensification are analysed and specific measures are introduced for the small-sized, two-stroke petrol engine of crankcase compression.
针对曲轴箱压缩的小型二冲程汽油机，分析了强化的途径、并介绍了具体的措施。
This view with the crankcase removed shows the crankshaft and bottom end of the engine.
这一观点与曲轴箱中删除显示曲轴和底端的引擎。
The cause of casting defects of large aluminum low crankcase of 396 series large diesel engine is analyzed in brief and the new casting process and its Outlines are discussed in detail.
简要分析了396系列大功率高速柴油机下曲轴箱体铝铸件原铸造工艺引起铸件铸造缺陷的原因。
A plan is proposed for improving crankcase ventilation and oil consumption of 4105 diesel engine. Verification test proved that the plan is effective and has been applied in mass production.
通过分析4105柴油机一度存在的曲轴箱通风不畅和机油消耗高的情况，提出了新的改进方案，经过试验验证，效果良好，并已在生产上应用。
The LM500 series maintains the crankcase oil level of an engine, pump or compressor. Adjusted to the correct running-oil-level, it will replenish oil as it is used.
LM500系列维持发动机曲轴箱，压缩机或泵的油位，油位过低时自动调整补充油位到机器正常运转需要的油位。
Two cylinder bodies provided with spark plugs (3) are respectively fixed at the two sides of the crankcase body of the double-cylinder gasoline engine.
两个装有火花塞 （3）的汽缸体分别固定在汽油机曲轴箱体的两侧。
Carburetor gasket seal, small general gasoline engine sealing, air filter separator device sealing, sealing, crankcase sealing, cylinder head gaskets, insulation gasket, exhaust pipe sealing.
小型通用汽油机用垫片，化油器密封，隔板器密封，空气滤清器密封，曲轴箱密封，汽缸头垫片，隔热罩垫片，排气管密封。
Carburetor gasket seal, small general gasoline engine sealing, air filter separator device sealing, sealing, crankcase sealing, cylinder head gaskets, insulation gasket, exhaust pipe sealing.
小型通用汽油机用垫片，化油器密封，隔板器密封，空气滤清器密封，曲轴箱密封，汽缸头垫片，隔热罩垫片，排气管密封。
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