描述
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。
DENTAL MOBILE HIGH FREQUENCY X-RAY MACHINE SYSTEM
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
Dental Portable Mobile X – RAY Machine System Digital
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL MOBILE HIGH FREQUENCY X-RAY MACHINE SYSTEM
DENTAL PORTABLE MOBILE X RAY MACHINE SYSTEM w/DIGITAL
Single phase GE x-ray system
GE Medical Systems ZRLTXDMR Stereotix 2 X-RAY Equipment