英语语法分析

A filtrate collection box sits underneath, and seals against, the upper belt.

滤液收集盒紧靠着上方皮带的下面密封。

I travel here through pipes, filtrate and purify to reach you, so please cherish me.

我经过输送、过滤、净化，从江河之中千辛万苦来到这里，请您珍惜。——请节约用水！

A vacuum pump creates negative pressure for correct operation of the filtrate recovery system.

真空泵产生的负压是保证滤液回收系统的正确运行。