| 摘要 |
PURPOSE: It closely adheres closely the joint between the body of the cable pathway adapter and the inner cover and external envelope and the cable pathway adapter of the manhole for the electricity and electronic communications completely eliminate the gap. CONSTITUTION: The screw hole(11) is formed inside the adaptor body(10). The flange parts having the external diameter of the expansion in both side terminal of the adaptor body is formed. It is combined from both sides of the inner cover(20) and external envelope(30) is the adaptor body in the screw hole. |
