The water and soil separation net plate is matched above the hollow pipe;
一水土分隔网板，系配置于上述空心管之上方；
NET feature that allows the separation of control data from its presentation.
NET的一项功能，它允许将控件数据与其表示形式相分离。
NET feature that allows the separation of control data from its presentation.
NET的一项功能，它允许将控件数据与其表示形式相分离。
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