coal pitch
英
美
- 煤沥青
coal pitch的用法和样例:
例句
- The experiments are done to develop globular activated carbon from coal pitch.
摘要通过实验研究,利用煤沥青研制球形活性炭。 - A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch.
从石油沥青和煤沥青中制取沥青中间相物质。