turnout board 中文意思是什麼
turnout board
解釋
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Shanghai tangbo ventilating duct co. ltd produces an annual turnout of composite glass wool board over millions of square meters. its production capacity, technical equipments, and variety of products have taken leading position
上海唐博復合風管有限公司的tb系列復合玻纖板材的年產量可達一百萬平方米以上,其生產規模技術設備產品種類等均
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