基本解釋[能源科學技術]有規(guī)立構聚丙烯英漢例句雙語例句A composition for preparing tarpaulin is studied by using a tactic polypropylene and natural rubber.研究了無規(guī)聚丙烯與天然橡膠并用制備篷布的配方。tactic polypropylene更多例句專業(yè)釋義能源科學技術有規(guī)立構聚丙烯