常見例句雙語例句The essential oil volume was 1.57% and 0.02% extracted from Chinese fir and Eucalyptusgreen wood, respectively, by steaming distillation method.採用水蒸汽蒸餾法，獲得杉木生材精油的得油率爲(wèi)1.57％，尾葉桉生材精油的得油率爲(wèi)0.02％。 返回 Chinese wood oil