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مهندسی صنایع::
پرده های ضدحریق چندلایه
They are usually powered by an electric motor(s).
A horizontal tension bar is fitted to the leading edge(s) to provide stiffness and to engage with the receiving
channel in the opposite side or via a male and female arrangement for conjoining fabric curtains.
واژگان شبکه مترجمین ایران