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- Vacuum Hopper (MH) can be installed directly in shaping machinehopper: electronic eyes Hopper (VH) can be directly installed at the entry into and exit-forming machine; 真空料斗（MH）可直接安装于成型机料斗上：电眼料斗（VH）可直接安装于成型机入量料口处；
- 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。
- 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。
- vacuum hopper 真空料斗
- To move a hopper or stacker upward or downward. 上下移动送卡箱或接卡箱。
- 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
- Many names have been put into the hopper. 许多名字已加入到名单中。
- Mrs Van Hopper gave her fat laugh. 范·霍珀太太纵声大笑。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Mrs. Van Hopper gave her fat laugh. 范·霍珀太太纵声大笑。
- 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。
- Hopper: It's about keeping the ants in line. 草蜢:这事关对蚂蚁们的掌控。
- What did Hopper threaten the ants to do? 霍普威胁蚂蚁们做什么?
- 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
