Description
在整定参数无把握的情况下，一般都不宜把初始试验参数放得太灵敏，例如比例度不宜放得太小，以免系统出现振荡。一般作法是在手动控制时，阀门需要开得较大者，P值(比例度)可选得小一些；阀门不需要开得较大者，P值(比例度)可逃得大一些。
X-Ray EG&G System 210
CMI 950S X-Ray System for Coating Thickness & Alloys
HP 43856A X Ray system
Nicolet NXR1400 X-Ray System
HP FAXITRON 43855A X-RAY SYSTEM MEDICAL X-RAY CABINET
J B 70 INTRAORAL X-RAY SYSTEM THAT IS SMARTER
HP 43855B X Ray system
X0020 Panoramic Corp. PC-1000 Pan X-Ray System
IDDC Model 1200 Porta Ray Portable X Ray System
