Солнечная электростанция 30кВт - бизнес под ключ за 27000$

15.08.2018 Солнце в сеть




Производство оборудования и технологии
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Dimensions and Weight of Casing and Steel Grades

All specifications of casing include outside diameter, wall thickness, drift diame­ter, weight and steel grade. In recent years the API has developed standard spec­ifications for casing, which have been accepted internationally by the petroleum industry.

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