gōngrén / jiǎnchá / shuǐlóngdài / shìfǒu / lòushuǐ / hòu / cái / qǐdòng / gāoyā / bèng

工人检查水龙带是否漏水后，才启动高压泵。

The workers checked whether the industrial hose was leaking before starting the high-pressure pump.