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河北滄州任丘固定玻璃擋煙垂壁生產(chǎn)廠家
電動擋煙垂壁是一類利用電源工作的智能型防煙擋煙設施。它主要由耐高溫纖維布、管式電機、控制箱等部件組成。通過電機的轉(zhuǎn)動，可 		2024-03-13
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