Instructions: A. suction tank method 1, press the suction tank method: the portable tank mouth close to the site of treatment, with your fingers or palm press the can handle, so that the tank of air discharge, and then let go can be negative pressure, you can suck on, repeatedly press 2-3 Times to adjust the suction. B. flip the suction method: the portable cans to the direction of the tank cans to turn, and then the bottom of the tank near the site of treatment, and then flip the shape of recovery, you can suck on this method than the suction method of adsorption more force
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2 weeks ago
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