他们购买了一台新的清扫车。

They bought a new sweeper.

清扫车每天都会来街上清扫。

The street sweeper comes to clean the street every day.

清扫车帮助保持城市的清洁。

The sweeper helps keep the city clean.

我看到一辆清扫车在公园里工作。

I saw a sweeper working in the park.

清扫车每天早上都会清理街道。

The sweeper cleans the streets every morning.

清扫车在雨后清理了街道上的泥土。

The sweeper cleaned the mud off the streets after the rain.

吸扫式清扫车是我国目前在用的城市道路清扫车的主力车型之一，而吸嘴被泥土堵塞一直是困扰此类清扫车的一道难题。

Suction type sweeper is one of main sweepers currently used in domestic road cleaning but it has been harassed by the problem that suction nozzles are often clogged by mud or soil.