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。

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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.

由于目前房屋建筑隔热保温性能的要求越来越高，砌筑好的建筑物在鉴定验收中迫切的要求进行保温性能的在线检测。

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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.

利用本发明铺设的管道 即使局部破损时，仍可以有效防止渗水到保温层，确保管道的保温效 果。

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