ān / zhuāng / shuǐ / guǎn / shí / gōng / rén / huàn / shàng / le / yí / ge / nài / fǔ / shí / de / lián / jiē / jiàn安装水管时,工人换上了一个耐腐蚀的连接件。When installing the water pipe, the worker replaced the connector with a corrosion-resistant one.