这是通过一对电解槽盖在第一张照片显示清楚(顶塑料螺帽)。

This is done through a plastic screw cap on the top of the electrolyser cap (shown clearly in the first photograph).

youdao

这是通过一对电解槽盖在第一张照片显示清楚(顶塑料螺帽)。

This is done through a plastic screw cap on the top of the electrolyser cap (shown clearly in the first photograph).

youdao