~ outdoor single-mode optical cable<br> ~ galvanized metal bridge<br> ~ galvanized conduit<br> ~ metal hose<br> ~ Removal and restoration of the original bridge cover plate<br> ~ conduit support<br> ~ ground slotting and repair<br> ~ outdoor waterproof box<br> ~ optical fiber transmitter<br> ~ outdoor waterproof six-class network<br> ~POE switch<br> ~ auxiliary materials
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