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Subject: Piping insert gen. Piping insertMoving double oil pipes inside the shafts, with blocking valve. Note: The blocking valve is used automatically to keep the pitch stationary when no pitch changes are required, as well as in emergency conditions что такое Piping insert - это вставка в трубопровод? |
| или элемент в трубопроводе? |
| это подшипники? |
| ? |
| вкладыши и фантики.... |
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