四家游乐宫的卫生质量调查河北省正定县卫生防疫站（０５０８００）张喜中，颜秀艳，李敬斌，刘江平近年来，我县的旅游业迅速发展，游乐宫相继建成并对外开放，游客每天多达３０００人。为确保游客身体健康，提高和改善宫内的卫生质量，我们于１９９１年５月对四家游乐宫... In recent years, the rapid development of tourism in our county, the Recreation Palace have been completed and opened to the outside world, up to 3,000 tourists a day people. In order to ensure the health of tourists and to improve and improve the quality of hygiene in the womb, we organized four playgrounds in May 1991.