reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester.
在高沸点胺的存在下萜醇与乙酸酐反应以提供萜烯酯。
The low-boiling inflammable part and the high-boiling residue both had to be discarded as useless.
低沸点 易燃部分和高沸点之残渣油均须弃置用.
You can also use oil as vehicle for loading, such as high-boiling oil.
还可以拔取油类载色剂, 如矮冰点油等.
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