| 1. | Performance is less important than reliability in a car .
汽车的可靠性比其机械性能更重要。 |
| 2. | Even cars that were mechanically sound started rusting .
甚至机械性能方面并无问题的车子也开始生锈。 |
| 3. | Propellant binders based on these materials have excellent mechanical properties and good performance .
用这些材料制成的推进粘结剂的工作性能很好，而机械性能则更为突出。 |
| 4. | Mechanical or physical failure of the catalyst is the cause of process shutdowns and catalyst changeouts more often than activity loss .
催化剂的机械性能或物理性能损坏是生产停车和催化剂更换的主要原因，往往比失活所造成的还要多。 |
| 5. | There are changes in mechanical properties of the fabric such as weight, thickness, stiffness, permeability, or breaking strength and elongation .
有织物机械性能的改变，诸如重量，厚度，硬度，透气，断裂强力和伸长度等性能的改变。 |
| 6. | The mechanical properties of improved double-base propellants enabled one to envisage grain geometrics with large combustion areas and consequently high thrusts .
经过改进的双基推进剂的机械性能使我们能够指望获得大燃烧面的药柱几何形状，从而得到大推力。 |
| 7. | Mechanical properties of fasteners - thread rolling screws
紧固件机械性能自挤螺钉 |
| 8. | Mechanical properties of non - ferrous metal fasteners
有色金属紧固件的机械性能 |
| 9. | Methods of test for winding wires - mechanical properties
绕组线试验方法.机械性能 |
| 10. | Mechanical properties of fasteners - nuts coarse thread
紧固件机械性能螺母粗牙螺纹 |
