valve set造句怎麼寫

maximum allowable relief valve setting

Each hot water space heating boiler shall be equipped with a pressure relief valve set to relieve below the maximum boiler working pressure.

In consideration of the specialized operation condition and the requirement of safety and reliability of the hydraulic hoister, great attention must be paid on its sealing parts, pilot valve set, filtering system and the related safety measure during the system design and type selection of it.