下面是找人看过之后得出的结论:
2xblocked cesspits, unable to clear both, have located and marked this point on the d/stream cesspit. Need to relay from the top cesspit to the bottom cesspit, then from the bottom cesspit need to relay to the kerb outlet. Approx 35m of pipe to lay. 作者: kei 时间: 2019-1-12 16:08:28