沙尘的物理特性
Physical characteristics of sand and dust
声音的物理特性
sound physical properties
矿物质的物理性质
physical character of minerals
煤的物理性质
Physical Properties of Coal
生物机械浆的物理性能
physical properties of biomechanical pulp
土的物理性质
physical and mechanical properties
油页岩的物理性质
physical property of oil shale
纸张的物理性能
physical properties of paper
柴油物理特性
physical properties of diesel oil
超声物理特性
ultrasonic physical character
成像系统物理特性
physical characteristics of imaging systems
大气物理特性
aerophysical characteristics
地球物理特性
geophysical characteristics
电弧物理特性
physical characters of arc
welding arc physics
电热物理特性
electrothermal properties
工质热物理特性
working medium’s thermophysical property