First, you have to drain the container of all the old oil.

首先, 你得从箱中把所有都抽去。

The oil leaked away because there was a small hole in the tank.

渗出来了, 因为箱上有个小洞。

There is still some gasoline left in the tank.

箱里还剩下一些汽。

When  heavy  dirt  and  sludge  accumulate  on  the suction strainer, the pump soon begins to cavitate.

但由于粗滤器是在箱内部，所以粗滤器维护常常被忽视。

It can be qpplied in energency repair for chemical pipe and tank, oil tank mending such as motocar, tractor pump ,and adhensive for all kinds of lable, tools and instruments.

适用于化工管道、罐应急修补，汽车、拖拉机水泵、箱修补，各种标牌粘接、工具磨具、仪器、仪表，织业线梭修补等。