self-force中文什么意思

例句与用法

1. Shut - off valve procedure analysis and simulation of 100mm self - force automatic control valve
   自力式自动灌装阀关阀过程动力学分析与仿真
2. Development and application of the differential pressure control valve of self - force type in the circulating compressor
   自力式差压控制阀的研制及在循环压缩机上的应用
3. Due to the existence of unbalance self - force in high - speed rotating mechanical device , the vibration accompanying with running machine usually causes noise , which reduces the machine performance or damage the machine
   高速旋转机械由于自身不平衡力的存在，在工作时使机器产生振动，这个振动会产生噪声，并降低机器性能，甚至损坏机器设备。