基本解释[机械工程]杯形砂轮英汉例句双语例句AS for the packing of the cup emery wheel , packed with the vinyl outside the box of one by one.至于杯形砂轮的包装，请逐个在盒子外面用聚乙烯塑料膜将杯形砂轮包装好。cup emery wheel更多例句专业释义机械工程杯形砂轮