| 摘要 |
In a super-insulation support system disposed in an annular space between concentric inner and outer corrugated tubes, a number of axially spaced rings is provided, which are interconnected by axially extending rods mounted in circumferentially spaced relationship alternately to the inside and the outside of the axially spaced rings thereby forming a cylindrical frame structure, which is disposed adjacent the inner corrugated tube and super-insulation is disposed on the cylindrical frame structure and supported thereby at a distance from the corrugated inner tube.
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