您要查找的是不是：
- The process technology of fatty acid by multitower continuous vacuum rectification are discussed in this paper. 本文阐述了脂肪酸多塔连续真空精馏生产工艺的开发及其推广应用情况。
- Keywords pine-stump light oil;vacuum rectification;pinene;camphene;limonene; 松轻油;真空精馏;蒎烯;莰烯;苧烯;
- Keywords Lisea cubeba oil thermosensitive vacuum rectification citral; 山苍籽油;热敏性;真空精馏;柠檬醛;
- Keywords pine-stump light oil;vacuum rectification;pinene;camphene;limonene;terpenol; 松轻油;真空精馏;蒎烯;莰烯;苧烯;萜烯醇;
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- Keywords nitrochlorobenzene;vacuum rectification;azeotropic rectification;separation; 硝基氯苯;真空精馏;恒沸精馏;分离;
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- Hence the need for rectification from time to time. 所以，过一个时候就要整整风。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空，我们就无法将它们分开。
- The current rectification is like a dose of alum. 这次整风，就是放一把明矾。
- Control reflux rate of rectification column. 控制精馏塔回流比,保持流量稳定。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
