A reduction in insulation resistance can, of course, have a serious effect on high impedance measurements.
当然，绝缘电阻的降低会严重影响高阻抗测量工作。
2
For requirement of building's heat insulation is more and more exigent, it is stringent to measure heat preservation performance on line in course of bricks building's appraisal.
The pipeline paved by the invention, even if the local part is damaged, water can be effectively prevented to seep into the insulating course in order to ensure the heat insulation effect.