dock crane 中文意思是什麼
dock crane
解釋
船塢起重機-
The total area of the corporation covers about 200 chinese acres and the length of coastline is about 1, 140 meters, the auxiliary facilities have taken shape the main facility and the equipment include the 30, 000 dwt dry dock which is 192 meters long by 40 meters wide the gate width 32 meters and 10 meters deep, is to date the biggest dry dock in fujian province ; one fitting wharf length 65 meters, width 17 meters ; 16 tons portal crane 1 set, 16 tons gantry crane 1 set, mobile cranes 50t1 25t1 12t2 8t4 and other necessary transportation, coatings, the precision work equipment supplying air 120 m min, spraying grit more than 4, 000 m day, renews the steel plate 12 15 t day we can finish repairing all kinds of ships under 40, 000 dwt within 7 to 10 days our corporation obtains the first - class dockyard to repair and build steel - made ships lisence in 2001, passed the national environmental protection appraisal in august 2002, was designated shipbuilding in fujian for maintaining foreign ships in octobet 2002, the dry dock, passage channel, the turning area, fitting wharf are passed by passage safety appraisal in march, 2003
主要設施和設備有： 3萬噸級干船塢一座長192米寬40米塢門凈寬32米深10米是福建省目前最大的干船塢舾裝碼頭一座長65米寬17米16噸門座起重機1臺10噸門吊1臺汽車吊8臺50噸1臺25噸1臺12噸2臺8噸4臺以及與其相配套的運輸噴塗精加工設備。每分種供氣120立方米，日噴砂面積4000多平方米，日換鋼板15 20噸。一般修船工期為7 10天。 -
The fourth part concentrates on the crucial section, dock crane, and establishes a model to allocate dock cranes, and gives a solution
第四章圍繞研究的主要目標，抓住系統中的中心關鍵環節? ?門機，利用解乘數法，建立和求解門機分配模型。 -
Then, as such, the first goal toward maximum efficiency is obtained. the fifth part establishes the model to allocate flow machines in the assembly line according to above dock crane efficiency, furthermore, uses dynamic planning method to draw a final solution in order to reach maximum efficiency and minimum cost of the assembly line
第五章以門機分配為基礎，建立流動機械的網路分配模型，對已經分配的門機作業量，在流動機械網路中進行再分配，並利用動態規劃的方法進行求解，確定優化的工藝流程方案和機械類型、型號、數量的分配，從而實現效率最大、成本最低的優化目標。
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