风力提水机性能的改进
Performance Improvements for Wind Water Pump
呼吸机的性能评价
An Evaluation of Some Ventilators
JIS G3314镀热浸铝片的机械性能
Mechanical Properties of JIS G 3314 Hot-Dip Aluminum-coated Sheets and Coils
呼吸机的安全性能检查
The performance test of ventilators
确凿的发动机性能缺陷
valid engine performance deficiency
确凿的发动机性能问题
valid engine performance problem
生物机械浆的物理性能
physical properties of biomechanical pulp
DME发动机性能
performance of DME engine
并行机性能
multiprocessor performance