V to give a preliminary wash to (clothes), esp in a washing machine 预洗
N a preliminary wash, esp in a washing machine 预洗
Even if you buy the "pre-washed" salad mixes in bags, ALWAYS wash before eating!
即使你买的袋装“预洗”沙拉,在吃之前也务必进行清洗!
There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).
羟基乙叉二膦酸酸洗后预膜液的选择较少有人研究,而适当的预膜钝化是防止酸洗后金属表面返锈的必要措施。
More efficient cleaning result and energy save because of the pre-wash and second rinse designs.
双缸双喷淋二次过水设计,漂洗效果更彻底节省能源,提高效率。
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