密闭门用于井下主变电所和主排水泵房通往井底车场的通道内,容易关闭,以防止水的突然浸入。本密闭门门扇为平钢板、井字筋板、圈梁等组焊而成。
自动单开不锈钢密闭门采用微电脑控制器、智能化程度高。
The auto stainless-steel single door is made of Microcomputer Controlled System with high intellectualization.
热镀锌人防密闭接线盒用在防护密闭门或临时战争封堵外侧受冲击波方向，接线盒应采用防护盖板。
Hot dip galvanizing air sealed junction box used in a protective airtight door or temporary plugging outside of war by shock wave direction, junction box should be used in protective cover.
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