The lower closure portion may include a first section having a first cross section and a second section having a second cross section.
下封盖部可包括具有第一横截面 的第一区和具有第二横截面的第二区。
The lower closure portion may include a first section having a first cross section and a second section having a second cross section.
下封盖部可包括具有第一横截面 的第一区和具有第二横截面的第二区。
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