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écarteur
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Spacer, английский
- Прокладка
- Spacer block. 1. a marker block. 2. a device for holding two members at a given distance from each other.
- Mechanical structure used to connect the jacking thrust ring to the pipe and used to accommodate lengths of pipe that are longer than the stroke length of the jack.
Распорная деталь, русский
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Spalling, английский
- The flaking of bricks, concrete, or stone through deterioration, usually as a result of frost, chemical action, or the movement of a building structure.
- Similar to "rock slabbing".
- When heat allows moisture in concrete to expand, causing the concrete to crack and/or break away from a structure.
- Chipping or pitting of concrete or masonry surfaces.
- Cracking or flaking of small particles of metal, usually in thin layers, from the surface of an object.
- Breaking out of the surface of the rail due to the propagation of shallow sub surface cracks
Spacer, английский
- Прокладка
- Spacer block. 1. a marker block. 2. a device for holding two members at a given distance from each other.
- Mechanical structure used to connect the jacking thrust ring to the pipe and used to accommodate lengths of pipe that are longer than the stroke length of the jack.
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