基本解释[機械工程]盃形砂輪英汉例句雙語例句AS for the packing of the cup emery wheel , packed with the vinyl outside the box of one by one.至於盃形砂輪的包裝，請逐個在盒子外麪用聚乙烯塑料膜將盃形砂輪包裝好。cup emery wheel更多例句专业释义機械工程盃形砂輪