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1. A control test system of a hydrogen internal combustion engine vehicle microcomputer, comprising a hydrogen treatment unit, wherein the hydrogen treatment unit comprises a detection box; an outer wall of the detection box is respectively provided with an absorption box, an impurity removal box, a purification box and a water storage tank; a gas inlet pipe is communicated between the absorption box and the detection box; a gas outlet pipe is communicated between the absorption box and the impurity removal box; a communicating pipe is communicated between a lower wall of the purification box and an upper wall of the impurity removal box; the impurity removal box and the water storage tank are communicated with each other; an upper wall of an inner cavity of the absorption box is fixedly provided with a first spring; a lower end of the first spring is fixedly connected with a piston plate which is in sliding connection with an inner wall of the absorption box; an upper end of the piston plate is provided with a movable rod which movably penetrates through an upper wall of the absorption box; an upper end of the absorption box is provided with a driving mechanism for driving the movable rod to move up and down; an upper wall of an inner cavity of the purification box is provided with a mounting cylinder; an outer wall of the mounting cylinder is provided with a plurality of adsorption rods which are arranged in an annular array mode; and a matching mechanism is arranged inside the mounting cylinder.
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