词典释义：
防水的
The new marine hazardous area float switch is flameproof and is available for both submersible and hose-proof duties.
新海运危险领域浮动开关为防火型材质，既能应用于潜水领域又能应用于防水领域。
The 6 wiring way, steel tube or cable, explosion-proof hose can be;
布线方式，钢管或电缆、防爆软管均可；
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