tonnage categories 中文意思是什麼
tonnage categories
解釋
噸位等級- tonnage : n 噸數；（船的）裝載噸數，噸位〈每噸按100立方英尺計算〉；（特指一國、一個港口的商船的）總噸數；（...
- categories : 按種類
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Technical requirements for the installation of fire distinguishing system on inland waterway fire boats with 100 tonnage categories
消防船滅火系統配置技術要求內河100噸級消防船 -
The semiplaning hull has been applied to various medium and small tonnage boats. resistance prediction methods of planning ( semiplaning ) hulls generally fall into the following categories : planing hulls series, prismatic equations and some theoretical methods
半滑行船型在中小噸位船舶上已經得到了廣泛的應用，對它的研究方法主要是以統計資料、船模試驗和各種半經驗半理論方法為主。
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