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设有防盗安全锁，便于开启。泵室的上盖：采用玻璃钢材料制成，配有不锈钢网架、排气管和扶手。纤维筒式：连续缠绕增强玻纤筒。微机控制卷绕工艺，确保厚度均匀，达到设计要求。出厂前质量稳定，需要100%的防漏测试，确保无泄漏。本实用新型安装整体式预埋件：外置整体吊耳安装方便。
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