The volatile oil contents of the pinus tabulaeformis carr. pine needles with Anshan,Shenyang,Tieling,Jinzhou and chaoyang are 1.7%,1.7%,1.4%,1.7% and 1.4% respectively.是什么意思_The volatile oil contents of the pinus tabulaeformis carr. pine needles with Anshan,Shenyang,Tieling,Jinzhou and chaoyang are 1.7%,1.7%,1.4%,1.7% and 1.4% respectively.在线翻译_英语_读音_用法_例句