“长江口二号”古沉船打捞中矩形曲线底幕法机械及构造设计关键技术
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Key Technology for Mechanical and Structural Design of Rectangular Curve Bottom Curtain Method for Salvage of “Yangtze River Estuary II”
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图7. 行星齿轮驱动结构 |
Fig.7. Driving structure of planetary gear |
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