coloured cylinder mark for gas的意思|示意
美 / /
英 / /
气体用彩色钢瓶标记
coloured cylinder mark for gas的网络常见释义
气瓶颜色标志 ... mark gas cooled reactor 改进型气冷反应堆 Coloured mark for gas cylinders 气瓶颜色标记 coloured cylinder mark for gas 气瓶颜色标志 ...