过滤开始前要将硅藻土和洁净的油进行混合，这项工作由助滤层涂覆机进行。

Before the start of diatomite to filter and clean the oil mix, which help filter by coating machine.

youdao

过滤开始前要将硅藻土和洁净的油进行混合，这项工作由助滤层涂覆机进行。

Before the start of diatomite to filter and clean the oil mix, which help filter by coating machine.

youdao