您要查找的是不是：
- This is known as vacuum fractionation. 这就是所谓的真空分馏。
- 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。
- vacuum fractionating distilling column 真空精蒸馏塔
- 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。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- I'll be ready in a fraction of a second. 我马上就好。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- The story does not contain a fraction of truth. 这故事没有一点真实性。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- He has done only a fraction of his homework. 他只做了家庭作业的一小部分。
- 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
- The car stopped within a fraction of an inch of the wall. 汽车在离墙不到一英寸的地方停住了。
- Could you move a fraction closer? 你能不能稍微再挪近点儿?
- 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
- VACUUM FRACTIONAL DISTILLATION OF INDUSTRIAL DIPENTENE 工业双戊烯的真空精馏分离
- She spends only a fraction of her earnings. 她只花了所赚的钱的一小部分。
- They represented only a fraction of the general populace. 他们代表的仅是全体国民的一小部分。
