To prepare raw hamburger patties for freezing, separate them with small plastic coffee-can tops, stack them in a pile, place them in a plastic bag, and seal.
要保存生的汉堡肉饼，可以用小的塑料咖啡罐的盖子分隔，将它们摞成一摞，装进塑料袋里，封好口。
The flare system is equipped with knock-out drum, seal drum, stack, molecule airproof, flare tip, pilot and ignitor .
火炬系统配备分液罐、水封罐、火炬筒体、分子密封器、火炬头、长明灯、高空点火器、地面点火器、精密过滤器、塔架等。
A stack of many films of thermoplastic material is divided into sets of films by interposed layers of seal-inhibiting material.
堆栈的热塑性材料很多电影是为电影集除以插话层密封抑制物质。
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