There exist major defects in conventional site tests of XLPE insulated cables with DC voltage, therefore, a new method with better testing results must be found.
根据XLPE绝缘电缆用直流电压进行现场试验的经验，要求开发新的方法。
The basic principle of testing bolt anchorage and its operating state by dynamic method was discussed in this paper. And its feasibility and the advantage was demonstrated by on-site testing result.
论述了动测法检测锚杆工作状态与锚固质量的基本原理，并结合现场实际检测工作，论证了动测法检测的可行性与优越性。
A trial of mixing on-site for testing the stability of concrete production quality is expounded. The method features for simplicity, directness and short periodicity, which can be widely used.
介绍了一种通过现场试拌来检验混凝土生产质量稳定性的方法，该方法具有简单、直接及周期短的特点，可以被广泛应用。
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