gōng / zuò / rén / yuán / diào / lái / jǐ / liàng / chǎn / xuě / chē / bǎo / zhèng / jī / chǎng / dào / lù / chàng / tōng

工作人员调来几辆铲雪车，保证机场道路畅通。

The staff brought in several snowplows to keep the airport roads open.