您要查找的是不是：
- Waveguide vacuum windows 波导真空窗
- 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。
- The paint on the windows has flaked. 窗子上的油漆剥落了。
- 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。
- Rain has been drumming on the windows all night. 大雨通夜不停地敲打着窗户。
- 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。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- Our breath is misting up the car windows. 我们呼出的气渐渐给汽车的窗户上蒙上一层水蒸气。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Our windows have double-pane sashes. 我们的窗户有双层的玻璃窗框。
- Have you closed the gate and windows? 你把门窗关严实了吗？
- The lavatory windows are made of translucent glass. 厕所窗户是用半透明玻璃做的。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Waveguide vacuum flange 真空波导法兰
- The windows permit light and air to enter. 这些窗户采光及通风性能良好。
- Remember to bolt all the doors and windows. 别忘将所有门窗闩住。
- He is heedless of the noises out of the windows. 他没有注意到窗外的嘈杂声。
