| 摘要 |
PURPOSE: A spray system is provided to prevent a waterproof agent from being scattered by performing an air curtain function by spraying compressed air. CONSTITUTION: A spray system includes a waterproof agent supply unit and an injection member(140). The waterproof agent supply unit supplies a plurality of waterproof agents. The spray unit sprays a waterproof agent to a structure. The spray unit comprises a waterproof agent mixer(142), waterproof agent nozzle(144) and waterproof agent control valve(146). A waterproof agent mixer is included inside a main body(141), mixes a waterproof agent supplied from the waterproof agent, and includes a waterproof agent flow channel(142a).
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