1·Fault diagnosis of reciprocating engine is a very difficult and popular problem.
发动机的故障诊断是较困难和热点的研究问题。
2·The crankshaft, regarded as the "backbone" of the engine, serves to change the reciprocating motion of the piston into rotary motion and handles the entire power output.
曲轴，也叫做发动机的“脊柱”，其作用是将活塞的上下往复运动转换成为旋转运动，并且控制着整个的功率输出。
3·However, diesel engine is a typical reciprocating machine, its monitoring and diagnosis are very difficult because of its complex structure.
柴油机是一种典型的往复式动力机械，结构复杂决定了对其进行状态监测与故障诊断的困难性。
4·The torsional vibration absorbers of reciprocating piston engine crankshafts are the earliest and most commonly used kind of damped dynamic vibration absorbers.
往复活塞式发动机曲轴扭振吸振器是应用得最早且最普通的一类阻尼式动力吸振器。
5·Reciprocating piston pump crankshaft by connecting rods connected with the original motivation. Prime mover can be motor, steam engine can also be used.
往复泵的活塞由连杆曲轴与原动机相连。原动机可用电机，亦可用蒸汽机。
6·Unbalanced two-stage reciprocating inertia force can be balanced by using Lanchester's double-shaft balance system, so that the engine noise and vibration could be reduced notably.
采用兰氏双轴平衡系统，可以平衡二阶往复惯性力，使柴油机的噪声和振动明显下降。
7·It is suitable for a variety of purposes of reciprocating internal combustion engine.
适于各种用途的往复式内燃发动机。
8·Ignited modes of reciprocating internal combustion engine addition to the spark-ignited and compression engine operation, a third option exists that is Homogeneous Charge compression Ignition (HCCI).
在往复式发动机中，除了火花点燃式燃烧和柴油压燃燃烧的运转方式外还有第3种运转方式，即均质充量压燃燃烧(HCCI)。
9·The internal-combustion engine is one of the main powers in production, and it is also a kind of complex reciprocating machine, so to monitor its state and diagnose its faults are very difficulty.
内燃机是生产的主要动力之一，然而，它又是一种复杂的往复式机械，状态监测和故障诊断十分困难。
10·The present invention is the combination of the principles of a reciprocating piston engine and a revolving cylinder type compressor.
本发明是往复式活塞机与转缸式压缩机原理的结合。