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Nautical
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band sound pressure level of propeller noise
螺旋桨噪声频带声压级
Early implementation of the technical standards of the Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships,
2009尽早实施2009年香港国际安全与环境无害化拆船公约中的技术标准
Hong Kong International Convention for the Safe and Environmentally Sound Cycling of Ships, 2009
2009 年香港国际安全与环境无害化拆船公约
one-third octave band sound pressure level of propeller
1/3 倍频程螺旋桨频带声压级
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