求翻译：担任过家教，家电临促；曾在中国石化青岛石油化工有限责任公司，混合酸生产校内实习基地、气流干燥器校内实习基地实习；参加金工实习；是什么意思？

Served as a tutor, home appliances temporary promotion; worked in China Sinopec Qingdao Petrochemical Co., Ltd., mixed acid production school training base, the air dryer school practice base practice; participate in metalworking;

worked as a tutor, home appliance p. urges; in China Petrochemical Qingdao Petrochemical Company Limited, a mixed acid production base in schools, air dryer school internships internship base metalwork internship; participate in internship;

Holds the post of the family education, the electrical appliances near has pressed; Once petrified Qingdao's Petroleum Chemical industry Limited liability company in China, in the mixed acid production school practises the base, in the air current water extractor school practises the base practice;

Held tutoring, home appliance already China Qingdao petrochemical Petrochemical Corporation, mixed acid production practice base in school and campus practice base for practice in air dryer; participation in metalworking;

Served as a tutor, home appliance; in Qingdao petrochemical limited company of Sinopec, mixed acid production practice base in school campus practice base practice, air dryer; participation in metalworking;