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常压手孔
Handholes for atmospheric use
价格：￥0.00
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回转拱盖快开人孔
Quick open manholes with hinged dome cover
价格：￥0.00
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椭圆形回转盖快开人孔
Elliptical quick open manholes with hinged cover
价格：￥0.00
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常压旋柄快开人孔
Quick open manholes for atmospheric use
价格：￥0.00
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水平吊盖带颈对焊法兰人孔
Welding neck flange manholes with davit to horizontal cover
价格：￥0.00
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水平吊盖带颈平焊法兰人孔
Slip on flange manholes with davit to horizontal cover
价格：￥0.00
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水平吊盖板式平焊法兰人孔
Plate flange manholes with davit to horizontal cover
价格：￥0.00
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垂直吊盖带颈对焊法兰人孔
Welding neck flange manholes with davit to vertical cover
价格：￥0.00
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回转盖带颈对焊法兰人孔
Welding neck flange manholes with hinged cover
价格：￥0.00
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带颈对焊法兰手孔(附编制说明及施工图图纸目录)
价格：￥0.00
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