| 摘要 |
FIELD: construction industry. ^ SUBSTANCE: invention refers to drain pipes designed for being installed coaxially inside the shaft of low pressure turbine compressor and having hollow metal cylindrical part, the length of which actually equals to the shaft length, inside which the above pipe is installed. External surface of metal part is covered at least on some part of its length with composite material based on fibres which are directed in general longitudinally ^ EFFECT: giving bending strength to the pipe, and maintaining tightness of oil flow channel. ^ 9 cl, 2 dwg
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