The vacuum freshnesspreservation box comprises a box body, a cover body, an inflating valve and an air pumping valve.
真空保鲜盒包括盒体,盖体,充气阀和抽气阀。
2
Water is a substance which cuisine cannot be short of. It plays the role of heat conduction, solution, dispersion and freshnesspreservation.
水是烹饪中不可或缺的物质,它具有传热、溶解分散、清洁防腐作用。
3
The most important breakthrough of the high-speed cooling machine in 2009 is to raise the original taste and freshnesspreservation by 80%. Any ordinary eater will be able to tell the different.