So the railroad will buy the spark arrestor .

所以铁路将购买阻火器。

Hoses and flame arrestor on gas cylinders have been checked .

软管和气瓶上的火焰消除器已被检查过。

Transformer neutral point overvoltage relaying protection main includs nod gap and arrestor protection . In this paper , principle of parameter choice and different function of above-mentioned protection are analysed .

摘要变压器中性点过电压保护装置主要有棒间隙保护和避雷器保护两种，文中分析了这两种保护装置的不同作用和参数选择的原则。

Gasket seal , line strainer , fire arrestor .

密封垫片、管道过滤器、阻火器等。

Welding accessories , flashback arrestor and quick joint .

焊接成套附件,回火防止器,快速接头。