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- Vacuum frame Contact printing frame for films or plates using vacuum pump to excludes the air to ensure that the emulsion contact is perfect. 真空晒架接触晒印菲林或印版用的晒架,它用真空泵把空气抽出,以确保乳剂层与乳剂层间的紧密接触。
- 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 bevel of that picture frame was damaged. 那个镜框的斜角已被损坏了。
- 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 slight frame was shaken by bouts of coughing. 她纤弱的身躯因阵阵咳嗽而发颤。
- The painter stretched the canvas on a frame. 画家把油画布紧绷在画框上。
- 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。
- It is not easy to true up a frame. 做个标准的框架也不容易。
- 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。
- This athlete has a powerful frame. 这位运动员有着魁梧的体格。
- It takes long to frame up an article. 构思一篇文章要花好长时间。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The mayor is a man of square frame. 市长是个体格魁梧的人。
- 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
- The door is not true to the frame. 这门与门框的尺寸不一致。
- His lips could hardly frame the words. 他几乎说不出话来。
