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Standard dimensional ratio (sdr)
| Глоссарий по проходческим щитам (тоннелингу) |
Numerical designation of a pipe series which is a convenient round number approximately equal to the ratio of the nominal outside diameter and the minimum wall thickness.
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Designation, английский
- Обозначение; (¦пред) назначение; целеуказание
- Назначение; обозначение; целеуказание
- Пункт назначения (бурового судна, плавучей полу
- Обозначение
- N знак, обозначение, имя determinancy n определённость local ~ локальная определённость
- Обозначение; запись; литерал; наименование; маркировка
- Обозначение; наименование; маркировка
- Указание профессии и адреса (при фамилии) назначение на должность
- The contracting states or contracting parties for which protection of an invention is sought in an international application filed under the patent cooperation treaty (pct) or in an international design application filed under the hague agreement. the filing of a request in an international pct application constitutes the designation of all contracting states bound by the pct on the international filing date. in an international design application filed under the hague agreement, contracting parties for which protection is sought must be indicated in the official application form (form dm/1).
Convenient, английский
Approximately, английский
- Approx.
- Приблизительно
- Приблизительно, около
Approximate, английский
- Приблизительный ар-ps ammonium perchlorate-poly- styrene (propellant) полистирол- перхлоратаммониевое ракетное топливо
- Приблизительный
- Приблизительно
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Bent sub, английский
Offset section of drill stem close behind the drill head that allows steering corrections to be made by rotation of the drill string to orientate the cutting head.
Ground penetrating radar, английский
Nondestructive method for detecting subsurface structures, voids, discontinuities, and changes in material. gpr uses radar pulses transmitted into the ground to image the subsurface by recording electromagnetic signals reflected back to the gpr system.
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