口底刀为双重闭合装置，刀口密封严密。
The hopper bottom sword is double close set, edge is pressurize rigorous.
出料口底刀为双重闭合装置，刀口密封严密。
The hopper bottom sword is double close set, edge is pressurize rigorous.
薄膜内容器包括 设置在收回闭合装置的弹性薄膜内袋。
The inner film container is made of a flexible inner film bag having a removal seal.
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