potable water tank

The potable water expansion tank shall be of drawn steel construction.

这种饮用水膨胀罐应该是拉制钢结构.

Part of the water supply tank ( pool) no cover, no lock and no management, long-term lack of cleaning, disinfection, water pipes and valves are improperly connected, resulting in non-potable water into drinking water pipes, causing water pollution.

有一部分供水水箱（池）无盖、无锁又无人管理，长期得不到清洗、消毒，水箱管道和阀门连接不合理，致使非饮用水进入饮用水管道，造成水质污染。

The potable water expansion tank shall be a Watts Model PLT.

这种饮用水膨胀罐应该是美国瓦茨型号PLT膨胀罐.

Tank Linings and pipe Coatings: Ballast and potable water tanks; Bilges, wet voids and drainage pipes.

储罐衬里和管道用涂料: 压载水舱和饮水舱; 舱底 、 湿空舱和排水管.