| 摘要 |
The steel tank (1) to be installed in a refuge building, in particular in the cellar of a building, for storing liquids which are hazardous to water has a top part (3) made of construction steel sheet and a bottom part (2) made of stainless steel sheet. The stainless steel sheet of the bottom part (2) is welded to the construction steel sheet of the top part (3) in a water tight and oil tight manner. The application of the welding seam is carried out in the flat state of both sheets, i.e. before the beads (5) have been pressed into the tank walls. This dispenses with the inside coating of the steel tank (1) in accordance with regulations. <IMAGE>
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