petroleum pitch的用法和樣例：
例句
- A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch.
從石油瀝青和煤瀝青中制取瀝青中間相物質(zhì)。 - This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurrying ability of coal on adding petroleum pitch.
主要介紹了石油瀝青水煤漿添加劑的制備和在煤中摻入石油瀝青的制漿性能。
petroleum pitch的相關(guān)資料：
臨近單詞
petroleum law
petroleum
Petroleum Engineering Directorate
petroleum exploitation enterprise
petroleum-degradation bacterial
petroleum and chemical enterprise
petroleum geochemical exploration
petroleum hydrocarbons pollutants
petroleum and chemical equipments
PETROLEUM RESERVE SYSTEM IN CHINA
petroleum well drilling wire rope
petroleum products transportation
