GB 50242-2002 第10.2.3条
| **** | When cement caulking is used for cast iron drainage pipes, the oakum shall be packed densely, and the joint cement shall be dense and full, with the joint surface recessed no more than 2 mm from the socket edge. |
| **** | When cement caulking is used for cast iron drainage pipes, the oakum shall be packed densely, and the joint cement shall be dense and full, with the joint surface recessed no more than 2 mm from the socket edge. |
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