modified pitch
短语词组
- modified pitch road 改性沥青
- mac modified pitch mac 改性沥青
- modified coal tar pitch [材]改质沥青
- modified conos tar pitch 改质沥青
- Modified pitch cone method 修正节锥设计方法
- modified pitch process 改质沥青工艺
- high temperature modified pitch 改性高温沥青
- modified tall oil pitch 改性浮油沥青
- modified pitch of high polymer 高分子聚合物改性沥青 返回 modified pitch