back pressure valve造句
例句與造句
- Several different types of valves are in use. some are back pressure valves .
有幾種不同的閥在使用中，有些是反向壓力閥。 - Application of shuttle back pressure valve in fluid transportat ion
梭式止回閥在流體輸送中的應(yīng)用 - Research on action of slow closure back pressure valve in water delivery system with air cushion surge tank
設(shè)置氣壓式調(diào)壓室的輸水系統(tǒng)中緩閉止回閥作用的研究 - It's difficult to find back pressure valve in a sentence. 用back pressure valve造句挺難的