7月22日，郑州公交集团“劳模姐姐爱心托管班”内，河南工业大学师生为孩子们上科普课，该托管班2021年创办，聚焦职工带娃难题。 On July 22, Henan University of Technology volunteers gave a science class at Zhengzhou Bus Group's childcare program, launched in 2021 to #Childcare#