The ground and vehicle flushing water connections are set in the inspection span, and the oily sewage well is set in the inspection span pit, and the oily sewage is separately discharged to the sewage well for regular cleaning.
Ground and vehicle flushing water interface is set in the maintenance span, oily sewage wells are set up in the maintenance cross pit, oily sewage is discharged separately into the sewage well, regular clean-up.
The ground and vehicle flushing water interface is set in the maintenance span, and the oily water well is set in the maintenance span pit. The oily sewage is separately discharged to the sewage well and cleaned regularly.<br>