《固定容规》规定:用于水蒸气介质的压力表,在压力表与压力容器之间应当装有()A、连接 发布时间:2019-02-21 06:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 《固定容规》规定:用于水蒸气介质的压力表,在压力表与压力容器之间应当装有()A、连接管B、直管C、存水弯管
题型:单项选择题 More than thousands of people _____ after the powerful earthquake happened in Wenchuan on May 12th. [ ]A. die B. dead C. were saved D. are saving 查看答案