The mast socket and centreboard location hole of an 8 feet FRP yacht were improved.
本文对8英尺FRP游艇帆杆座及稳水孔的结构进行研究改进,弥补了原有结构的不足。
The mast socket and centreboard location hole of an 8 feet FRP yacht were improved.
本文对8英尺FRP游艇帆杆座及稳水孔的结构进行研究改进,弥补了原有结构的不足。
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