麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

packing box

packing box是什么意思、packing box怎么讀

packing box漢語翻譯

【化】 填料函; 填料盒

packing box英語解釋

名詞 packing box:

  1. a small chamber in which packing is compressed around a reciprocating shaft or piston to form a seal
    同義詞：stuffing box
  2. a large crate in which goods are packed for shipment or storage
    同義詞：packing case
0
糾錯