The freeboard marks are made of the steel plate, welded and painted on both sides of the ship.
干舷标志由钢板制成，焊接在船上，并且涂漆。
This ship is an aluminum alloy welded catamaran passenger vessel, using symmetrical semi-hull, single deck, upper lower cabins and propeller driven.
本船为铝合金焊接双体客船，采用对称片体，单层甲板，设上下客舱，螺旋桨推。
During the ship building and repairing, the electrical current will cause electrical corrosion to the hull of ship because of the unsuitable connection between the welding machine and welded parts.
在造船和修船的过程中由于电焊机和被焊件之间的连接不当，造成了电流对船体的腐蚀，严重时可能造成船体穿孔。
The microstructure and properties of welded joint of EH40 grade ship steel plate by submerged-arc welding process were analyzed.
对EH40船板钢埋弧焊焊接接头的组织性能进行了试验分析。
The bedplate, which in most cases is of the welded design, is bolted to the seating which Forms a part of double of the ship.
机座在大多数情况下是焊接结构，用螺栓固定在构成船舶双层底的底座上。
The bedplate, which in most cases is of the welded design, is bolted to the seating which Forms a part of double of the ship.
机座在大多数情况下是焊接结构，用螺栓固定在构成船舶双层底的底座上。
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