... 1形状阻力2船形阻力 form drag 船形计算吃水 form draught 船形几何吃水 form draught ...
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... 1形状阻力2船形阻力 form drag 船形几何吃水 form draught 船形计算吃水 form draught ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
Assistance could be in the form of installation of draught proofing, loft insulation, hot water cylinder jacket or more effective heating controls and training on how best to use them.
BBC: NEWS | UK | Northern Ireland | Pilot scheme tackles fuel poverty
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