petroleum pitch
短語詞組
- petroleum pitch enamel 石油瀝青漆
- petroleum pitch coke 石油瀝青焦炭
- petroleum pitch fibre 石油瀝青纖維
- petroleum pitch enareel 石油瀝青漆
- petroleum pitch coating 瀝青外覆蓋層
- petroleum pitch based MCMB 石油瀝青基MCMB
- petroleum pitch based -carbon fiber 瀝青基碳纖維 返回 petroleum pitch