Inland river inferior quality ship existence have extremely threated human life, cargo safety and water area environment.
内河低质量船舶的存在给人命、船货安全和水域环境带来了极大威胁。
The navigable small-scale ship model is widely used in studying harbour and inland river navigable conditions and similarity is the key point.
通航小尺度船模在港口及内河通航模拟研究中得到了广泛的应用，而相似问题是小尺度船模研究的重要环节。
So inland river high-speed ship adopts multi-stiffened plate hull structures.
因而内河高速船采用了双向密加筋板船体结构这种形式。
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