Please fill up the fuel tank.

请把油箱加满。

The cap of the fuel tank is missing.

油箱的盖子丢了。

My car's fuel tank is almost empty.

我的车油箱快没油了。

He checked the fuel tank for leaks.

他检查了油箱是否有泄漏。

The car's fuel tank holds 50 liters.

这辆车的油箱容量是50升。

This fuel tank can hold 50 liters of gasoline.

这个油箱能装50升汽油。

The car's fuel tank can hold 15 gallons of gasoline.

这辆车的油箱可以容纳15加仑的汽油。

The car's fuel tank can hold up to 15 gallon of gasoline.

这辆车的油箱可以容纳15加仑汽油。

Full fuel tank and vehicle with tools.

满油箱和带工具的车辆。

For the fuel tank, used oil and oil cooling.

为油箱，用来储油和将油散热。