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Ｂｉｎｇｏ ９０００半潜式钻井平台是为挪威某公司建造的世界上最新一代钻井平台，该产品入挪威船级社。在施工中有一水平支撑管和两个水平斜支撑管相交恰好组成“Ｋ”字型节点并形成相贯线（下图），此处对装配和焊接而言是该产品建造过程的难中之难，具体表现为以下四点。 ?
The Bingo 9000 semi-submersible drilling rig is the world’s newest generation of rigs for a company in Norway, which is part of Det Norske Veritas. In the construction of a horizontal support tube and two horizontal oblique support tube intersect exactly formed “K” shaped nodes and the formation of the intersection line (below), here for the assembly and welding of the product construction process is difficult Difficult, the specific performance of the following four points. ?