常見(jiàn)例句雙語(yǔ)例句The method for determining organic tin compound (OTC)heat stabilizer in PVC is described .介紹了一種在常溫下測(cè)定聚氯乙烯(PVC) 塑料中有機(jī)錫化郃物(OTC) 熱穩(wěn)定劑方法。 返回 organic tin compound