gōng / zuò / rén / yuán / xiān / gěi / lún / tāi / yā / qì / rán / hòu / jiǎn / chá / shì / fǒu / lòu / qì工作人员先给轮胎压气,然后检查是否漏气。The staff first inflate the tire and then check whether it is leaking.