短語詞組短語single e packing 單件包裝Vacuum single chamber packing machine 單式真空自動(dòng)包裝機(jī)single -piece packing 單件包裝single spiral ring packing 單頭螺鏇環(huán)填料Size of single packing 箱子的尺寸single surface glazed packing paper 單麪光包裝紙SINGLE CHAMBER VACUUM PACKING MACHINES 單室真空包裝機(jī)single and double packing off 單卡與雙卡 返回 single packing