The utility model has the advantages of small occupied space length, convenient package and transportation.

本实用 新型的优点是占用空间长度较小、包装和运输较为便利。

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The utility model has the advantages of small occupied space length, convenient package and transportation.

本实用 新型的优点是占用空间长度较小、包装和运输较为便利。

youdao