必备材料 meaning in Chinese
required documentation
Examples
- Used in the indispensable materials of trade thermal technology equipment , such as metallurgy , glass , petrochemical industry , electricity , boiler , building materials , etc . , but as requested use the special prescription in the precinct
用于冶金、玻璃、石油化工、电力、锅炉、建材等行业热工设备必备材料，可根据要求选区用特殊配方。 - The intermediate magnesium - clad paint is the must material for high efficiency casting taking the place of thermal insulation slab , which has advantages as follows : easy painting , no crack , anti - corrosion , easy disintegration and help improving steel liquid quality etc
中间包镁质涂料是替代绝热板，实现高效连铸的必备材料，具有易涂抹、不开裂、耐侵蚀、易解体并能提高钢液质量等优点。