在分析摩托车发动机曲柄连杆机构不平衡力的基础上，结合国内和国外的实践，总结了摩托车单缸发动机的基本平衡方法。
Based on analyzing the unbalanced force of crank-connecting rod mechanism, this paper describes the balance of motorcycle single-cylinder engine according to practices home and abroad.
尽管你可能够逃脱为当转动发动机曲柄时产生的摇动而楔入断裂的木棒，由此可顺利地拆下曲轴皮带轮螺栓，也许你知道这不是最好的做法。
While you may be able to get away with wedging your breaker bar against the cradle and cranking the engine over to remove the crank pulley bolt, you know it's not the best practice.
要启动发动机，首先得点燃热管，再转动曲柄轴，发动机便启动，这些准备工作只需一分钟。
To start the engine, one must first light the small flame beneath the hot ignition tube and crank the engine once using the crank; these preparations take only a minute.
曲柄参考点脉冲信号由一个变磁阻传感器产生，它从发动机飞轮上的突起感受信号。
The crank reference pulse originates from a variable reluctant pickup which senses a projection on the engine's flywheel.
发动机的动力机构实际上就是曲柄连杆机构。
The power mechanism of the engine is actually called the crankshaft and connecting rod mechanism.
在发动机维修中，曲柄连杆机构的维修是重中之重，它的维修好坏对发动机的正常工作和使用寿命有很大的影响。
In the engine repairs, the repair of crank rod system is very important because it affects the normal work and service life.
本发明解决了现有的曲柄连杆机构式燃油发动机存在工作效率低、易出现故障、外形体积较大的问题。
Problems like low work efficiency, easy fault and large volume of outline of figure of existing crank-connecting rod mechanism fuel engine can be solved through the invention.
阐述了发动机曲轴动平衡试验时在曲柄销上需加装当量质量的原因，并提出了在曲轴动平衡试验时当量质量的计算方法。
The reason why crankshaft must be equipped the equivalent ring at the crankpin when the dynamical equilibrium test is made is pointed out.
曲轴是大型船用发动机的重要部件，大型船用组合式曲轴的曲柄是组成大型曲轴的关键零件。
Crankshaft is a very important component of large Marine engine and its key component is crank.
曲轴是大型船用发动机的重要部件，大型船用组合式曲轴的曲柄是组成大型曲轴的关键零件。
Crankshaft is a very important component of large Marine engine and its key component is crank.
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