The differences in tempering process between small thin and thick pieces of glass have been pointed out , technical index of heating furnace and wind grating have also been introduced .

  • 说明了小片薄玻璃在钢化生产过程中与厚玻璃钢化的不同,简要介绍了加热炉和风栅等设备的技术指标。
目录 查词历史