介绍了电缆和材料抗水树性能评价试验方法及一些结果。
The method of the test to assess the water-tree-retardancy of cable and compound is presented as are some test results.
这些试验的目的是评价后斜门的能力，及其承受进出储存位置时的反复运动的悬置性能。
The purpose of these tests is to evaluate the ability of a receding door and its suspension to withstand repeated movements in and out of the stored position.
重点叙述了国内外内燃机油燃料经济性能及油品规格的要求，介绍了评价燃料经济性的试验方法。
Fuel economy performance and some the latest specifications of inter-combustion engine oil at home and abroad are recounted. Test method of fuel economy performance is introduced.
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