GB/T 33521.1-2017
Mechannical vibration—Ground-boRNe noise and vibration arising from rail systems—Part1:General guidance 机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第1部分:总则 |
GB/T 35777-2017
Mechanical tests for metal alloys adoRNment chains—Tensile testing 金属及其合金饰品链力学性能测试 拉力测试 |
GB/T 1094.3-2017
Power transformers—Part 3:Insulation levels,dielectric tests and exteRNal clearances in air 电力变压器 第3部分:绝缘水平、绝缘试验和外绝缘空气间隙 |
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