valve lag

This paper describes the principle of measuring needle valve seating time in electromagnetic injector, then presents the constitution and measuring procedure of a measuring system for needle valve seating time lag in electromagnetic injector and analyses the measuring error in the system.

阐述了电磁式喷油器针阀落座时刻的检测原理，介绍了一种电磁式喷油器针阀落座滞后时间测量系统的组成和测量过程，并对系统的测量误差进行了分析。

A Study on A Measuring System for Needle Valve Seating Time Lag in Electromagnetic Injector

电磁式喷油器针阀落座滞后时间测量系统的研究

Too much valve clearance causes a lag in valve timing causing engine valve train imbalance.

气门间隙过大会引起气门调时延迟,造成引擎气门组系不平衡.

Relative to the developed countries, China's pneumatic diaphragm valve valve industry is still lag behind.

相对发达国家而言，我国气动隔膜阀阀门行业还比较落后。