Flange (Flange), also called flange flange plate. A flange is a part that is connected between the pipe and the pipe, used for the connection between the ends of the pipe. It is also used for the flan..

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chemical 707The boundaries of life and deathIn the daily project construction, chemical maintenance and other operations, equipment, facilities, people and the surrounding environment, material, etc...

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When a customer, with friends call it "&ldquo can't help; I wish you a happy life; ” learn English, see others had started can't help translation; the nurse would love to stare at others for han..

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