针对当前零序功率方向元件带负荷试验的不足之处，讨论了如何检查“L”、“N”及“S”线的接线正确性。
How to check the connection correctness of "l", "n", "s" lines is discussed on the shortcomings of on-load test for zero-sequence power direction component.
织物传送带。全厚度拉伸试验。第1部分：拉伸强度、断裂伸长率和标准负荷下伸长率的测定。
Textile conveyor belts - Full thickness tensile testing - Part 1: determination of tensile strength, elongation at break and elongation at the reference load.
用计算清洗失重速率、表面形貌分析、成膜分析等方法，通过高压釜挂片试验，研究了新型带负荷清洗剂在模拟炉水中对锅炉碳钢的清洗及钝化的效果。
The cleaning experiments of boiler steel in simulated boiler water in autoclave were performed by calculating weightlessness velocity, surface analyses, and analyses film-forming.
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