gōng / chéng / shī / zhèng / zài / jiǎn / chá / guī / jīng / piàn / biǎo / miàn / shì / fǒu / yǒu / huá / hén工程师正在检查硅晶片表面是否有划痕。The engineer is checking the surface of the silicon chip for scratches.