wàn / yòng / biǎo / kě / yǐ / bāng / zhù / gōng / chéng / shī / cè / liáng / jīng / tǐ / guǎn / de / jī / jí / diàn / yā万用表可以帮助工程师测量晶体管的基极电压。A multimeter can help engineers measure the base voltage of a transistor.