更新时间：2026-07-07 23:44:57
packing box
packing box是什么意思？
填料函,填料盒
- 单词
- packing box
填料函,填料盒
Noun:- a small chamber in which packing is compressed around a reciprocating shaft or piston to form a seal
- a large crate in which goods are packed for shipment or storage
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