petroleum asphalt
英
美
- 石油沥青
双语例句
- 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。 - The properties of the one component asphalt based polyurethane waterproof coatings were introduced.
介绍了这种单组分石油沥青聚氨酯防水涂料的性能。
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