gōng / chéng / shī / zhèng / zài / jiǎn / chá / qiáo / liáng / shàng / de / héng / liáng / shì / fǒu / chū / xiàn / liè / fèng工程师正在检查桥梁上的桁梁是否出现裂缝。The engineers are checking whether the brace girders on the bridge have developed cracks.