常見例句雙語例句The essential oils of leaves from Eucalyptus camaldulensis and Eucalyptus benthami were extracted by steam distillation and their chemical constituents were determined by GC-MS method.用水蒸氣蒸餾法提取了赤桉葉和本泌桉葉精油，通過氣相色譜-質譜（GC-MS）聯(lián)用法分析鑒定了二者的化學成分及質量分數(shù)。 返回 eucalyptus camaldulensis