METHOD FOR BACKFILLING OF DRAIN TRENCH

摘要

use: in the u0437u0430u0441u044bu043fu043au0435 drainage trenches. self: you drainage trench u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 for two spots in the u043fu0440u00a0u043cu043eu043c and reverse movement of the car. with the move to the edge of the trench is u043fu0440u00a0u043cu043eu043c u043au043eu0441u043eu043fu043eu0441u0442u0430u0432u043bu0435u043du043du044bu043c this u043eu0442u0432u0430u043bu043eu043c, and when the traffic is u0440u0430u0437u043cu0435u043bu044cu0447u0430u044eu0442, mix, and serves in the tr u0430u043du0448u0435u044e u0448u043du0435u043au043eu0432u044bu043c working body. 4).