Солнечная электростанция 30кВт - бизнес под ключ за 27000$

15.08.2018 Солнце в сеть




Производство оборудования и технологии
Рубрики

PIPE BODY MANUFACTURING

All oilwell tubulars including casing have to meet the requirements of the API (American Petroleum Institute) Specification 5CT (1992). formerly Specifications 5A, 5AC, 5AQ and 5AX. Two basic processes are used to manufacture casing: seamless and continuous electric weld.

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