working-fluid characteristics工作流体特性
working g fluid泵浦工作液;工缀体
working-fluid characteristic工作台流体特性
working fluid level动液面
Synthetic Metal Working Fluid合成金属加工液
natural working fluid自然工质
heating working fluid加热工作液
synthtic metal working fluid合成切削液
nature working fluid自然工质
N（名词） the fluid, esp water, steam, or compressed air, that operates an engine, refrigerator, etc 工作物质