Water supply fittings of sanitary appliance should be complete with no damage, tight joint and be flexible to open and close.
卫生器具的给水配件应完好无损伤，接口严密，启闭部分灵活；
It's code required, and it's unlikely that you'll get a water-tight joint without it.
它要求使用规范，不像你使用一个不漏水的连接。
It's code required, and it's unlikely that you'll get a water-tight joint without it.
它要求使用规范，不像你使用一个不漏水的连接。
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