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
- DVAC Distributor Vacuum Advance Control Valve 分电盘真空提前控制阀
- DVRV Distributor Vacuum Regulating Valve 分电盘真空调节阀
- DVVV Distributor Vacuum Vent Valve 分电盘真空阀
- VACVV-D Distributor Vacuum and Vent Control Valve 分电盘真空与通气控制阀
- VACW-D distributor vacuum and vent control valve 分电器真空和通气控制阀
- DVDSV Differential Vacuum Delay Separator Valve 差压真空延迟隔离阀
- DVCS Distributor Vacuum Control Switch 分电盘真空控制开关
- No delay! We urgently need these books. 决不要拖延！我们急需这些书。
- 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。
- 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。
- I owe you an apology for the delay. 我该为这次耽搁向您道歉。
- Please see into this matter without delay. 请立即调查这件事情。
- I was impatient at his delay in answering. 我对他的迟延答覆感到不耐烦。
- After a long delay the performance finally started. 演出拖延很久，最後总算开始了。
- 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。
- Have you turned off the water valve? 你关掉水阀了吗？
- I'll take some back with me to show to our distributor. 我要带一些回去给我们的经销商看看。
