GB/T 19322.1-2021小艇机动游艇空气噪声第1部分:通过测量程序标准
英文:Small craft—Airborne sound emitted by powered recreational craft—Part 1:Pass-by measurement procedures GB/T 19322.1-2...
英文:Small craft—Airborne sound emitted by powered recreational craft—Part 1:Pass-by measurement procedures GB/T 19322.1-2...