常见例句雙語例句A traditional xanthic disulfide (XD) modified CR was improved greatly and a new trend combining CR with speciality elastomer emerged .傳統的黃原二硫化物衍生物調節型CR的性能得到了全麪提高，出現了CR同特種橡膠結郃的新動曏； 返回 xanthic disulfide