(57) Abstract Topic Pumping from well point and deep well and the likeIn reduction device of water to the earth for preventing the treatment, and the ground subsidenceQuestion such as plugging up and long haul work you can put because which permeation speed is slowSubject SolutionsIt is due to bow ring machine excavation, geological features dayTar collection and strainer production of the duplex tube which is based on the dataWith it had the pressurizer of the plugging up prevention disposal and injection water largesuparichiyajiu which makes the permeation of the injection water of the tonnage possibleeru device.
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