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栈桥为木板结构,首先制作两根木筋条,再在其上严密钉设30cm-40cm宽（与网箱等宽）的木板。待组装网箱设施时铺于框架上并加以固定,供饲养人员工作之用。 辅助设备:在辅助设备中,有航行指示灯、管理用船或大栈桥等。航行指示灯是为了夜间避免行船碰撞在网箱上所用的指示装置,由变电盒、立柱、定时器和红色警灯构成。设于海上网箱群的四角,既标志方向,又指示行船。大栈桥是用于连接网箱群与陆地之用,宽窄及长短据实际需要而定。供运送饲料、鱼种、成鱼用。其结构上多采用浮桥式,在陆地一端首先固定一个连接轴,在轴上设一活动板,与浮桥连接,浮桥另一端再用活动板与网箱群连接。因大栈桥造价太高,为节省成本起见而采用小
Trestle for the wood structure, first of all make two wood ribs, and then nail it tightly 30cm-40cm wide (with cage width) of the board. To be installed in the framework of the cage assembly and fixed on the framework for the feeding of staff work purposes. Auxiliary equipment: In auxiliary equipment, there are navigation lights, management boat or large trestle. Navigation indicator is to avoid collision at night in the cages used in the indicator device, by the box, column, timer and red lights constitute. Located at the four corners of the marine cage group, both marked the direction of, but also instructed the boat. Dazhan bridge is used to connect the cage group and the land use, width and length according to the actual needs. For the delivery of feed, fish species, into a fish. The structure of the multi-use floating bridge type, one end of the land first fixed a connecting shaft, the shaft is provided with a movable plate, connected with the pontoon, the other end of the pontoon and then use the movable plate connected to the cage group. Due to the high cost of the large trestle, in order to save costs and the use of small