摘要 |
The water vein is found to be measured, wherein the pipe(2) is inserted from the stratum hole(1). Likewise, the pipe is exactly inserted, rotating the pipe clockwise, the contact hole(5) of the stratum wall is completely fixed on the stratum wall. Further four pipes(7) for pouring cement mortar are respectively introduced in four parts around the circular guide panel(6), and cement mortar is completely poured, having a pipe(2) moved upward.
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