您要查找的是不是：
- DVDV distributor vacuum delay valve 分电器真空延迟控制阀
- VDV vacuum delay valve or vacuum differential valve 真空延迟阀或真空差压阀
- No delay! We urgently need these books. 决不要拖延！我们急需这些书。
- 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 vacuum valve opens to admit air. 真空阀开启以补充空气。
- The delay made the patient go purple in the face. 时间的拖延使病人脸色发紫。
- We decided to delay our wedding until next year. 我们决定把婚礼推迟到明年。
- I owe you an apology for the delay. 我该为这次耽搁向您道歉。
- 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。
- Please see into this matter without delay. 请立即调查这件事情。
- Have you turned off the water valve? 你关掉水阀了吗？
- 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。
- I was impatient at his delay in answering. 我对他的迟延答覆感到不耐烦。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- After a long delay the performance finally started. 演出拖延很久，最後总算开始了。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- After much delay, he finished his paper at last. 拖了那么久，他终于完成了论文。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Please send them here without further delay. 请即派员前来，勿再迟延。
