GB/T 43758.2-2024 Chinese PDF (GB /T43758.2-2024) GB/T 32151.39-2025 2-2025_Chinese: Acoustics - Measurement of

2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)

GB/T 11918

English versions: GB/T 44975-2024

English versions: GB/T 44854-2024

GB/T 45002-2024_Chinese: Method for determining water retention of cement mortar (Chinese: 水泥胶砂保水率测定方法)

GB/T 43758.2-2024 Chinese PDF (GB /T43758.2-2024) GB/T 32151.39-2025 2-2025_Chinese: Acoustics - Measurement ofGB T 43758. 2 2024_Chinese: Technical specifications for driving safety test environment for intelligent and connected vehicles Part 2: Semi open road (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43758. 2 2024