| 摘要 |
An injection apparatus of cleaning liquid is provided to improve cleaning work productivity of a steel sheet by replacing an injection head from a tank on a degreasing spray conveniently. An injection apparatus of cleaning liquid comprises the followings: a case(210) having an opening groove on the bottom and a cylindrical-shaped hole; a cleaning liquid supply part supplying the cleaning liquid into the inside the case, and inserted into one side of the case; a cleaning liquid injection head connected with the cleaning liquid supply part; and an injection nozzle(221) installed on one side of the injection head corresponding to the opening groove.
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