plastic material from coal
plastic material from coal
[煤炭科技英汉词典]
plastic material from coal煤基塑料制品
以煤为原料经化学加工制得的塑料产品。
是什么意思,plastic material from coal的解释,plastic material from coal的翻译
plastic material from coal
[煤炭科技英汉词典]
plastic material from coal是什么意思,plastic material from coal的解释,plastic material from coal的翻译