Jeffrey pine的中文,翻译,解释,例句
Jeffrey pine
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The exceptional purity of the n-heptane distilled from Jeffrey Pine resin, unmixed with other isomers of heptane , led to its being used as the defining zero point on the octane rating scale of petrol quality.
还含有溶解在萜烯中的不挥发的黏性固体，所以当树脂暴露在空气中，萜烯类物质挥发掉，使得树脂黏度增大，形成固体。
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Jeffrey's pine;Bull pine：黑材松
岛松 Philippine pine;Luzon pine | 黑材松 Jeffrey's pine;Bull pine | 卡西亚松 Khasya pine;northern Burma pine;Langbian three-1eaved