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1979年秋,水利部从荷兰进口了四艘“海狸4600”铰吸式挖泥船,其中一艘A型船装备有先进的电子计算机控制设备——“绞刀自动控制仪”以及不同于普通独立式双桩的“定位桩台车”装置。由于这种型式的挖泥船在我国首次引进,仅此一艘,故在上海组装试车时便引起了不少施工、科研、设计等单位的注意。该船1980年1月份正式投产,承担上海金山汇港水下土方的开挖任
In the autumn of 1979, the Ministry of Water Resources imported four “Beaver 4600” articulated suction dredgers from the Netherlands. One of the A-type ships is equipped with advanced computerized control equipment - “Reamer Automatic Control Instrument” and different from ordinary independent Piles of “positioning pile trolley” device. As this type of dredger was introduced for the first time in our country, only this one, so it attracted a lot of construction, scientific research, design and other units attention when assembling and testing in Shanghai. The ship was formally put into operation in January 1980, undertaking the excavation of underwater earthworks at Shanghai Jinshanhui Port