Detection of furfurol content in transformer oil is an effective method to judge the aging degree of insulated paper in the transformer.
检测变压器油中糠醛含量是判断变压器绝缘纸老化程度的有效方法。
The DC test, which is an effective means for the diagnostics of oil impregnated paper insulated cable, is still used even now, but it is ineffective and harmful for the plastic insulated cable.
直流电压试验作为一种对油浸纸绝缘电缆非常有效的方法应用至今，但它对塑料绝缘电缆是无效而且有害的。
The vacuum insulated tubing is one of the main facilities that are exploited in heavy oil by the injection of steam.
真空隔热油管是稠油注蒸汽开采的主要设施之一，其隔热性能直接影响热采效果。
After full theoretical analysis and experimental research, high-pressure steam jet can not only improve the quality of heavy oil insulated pipe cleaning, and no environmental pollution.
经过充分的理论分析和实验研究，高压蒸汽射流不仅可以提高稠油隔热管的清洗质量，而且对环境没有污染。
These oil yielding points exists insulated mostly, can not connect as a piece in the plane, large scale reservoir as a piece have not been found yet.
这些出油点多以孤立的形式存在，无法在平面上展开，尚未找到连片呈规模的油气藏。
These oil yielding points exists insulated mostly, can not connect as a piece in the plane, large scale reservoir as a piece have not been found yet.
这些出油点多以孤立的形式存在，无法在平面上展开，尚未找到连片呈规模的油气藏。
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