直立动力机  upright engine

发动机动力消失  engine power loss

发动机动力性能  dynamic effect; engine power performance

风力动力机  fan engine; fan motor

每马力动力机重  engine weight per horsepower

气力动力机  Pneumatic motor

汽油发动机动力输出  gasoline engine power supply

双动动力机  double-acting engine

水力动力机  hydraulic engine; water power engine; hydraulic motor; water motor

钻机动力机下纵向底梁  engine mud sill

阿兰直动机构  allan straight link motion

动力机校直  engine alignment

发动机直嘴  engine hand piece

核动力直接发电  nuclear powered direct electricity generation

交流异步电动机-直流发电机组  Asynchronous -DC dynamo unit

交流异步电动机—直流发电机组  asynchronous motor-DC generator set

矫直机机架  the framework of leveling machine

铃动力直径  hydrodynamic diameter

流体动力直径  hydrodynamic diameter

罗伯氏直动机构  Robot’s straightline mechanism