顶烧炉膛温差过大,但炉管炉膛的温度还在控制指标范围内,所以不用调整炉膛温度。
参考答案:错
解析:顶烧炉膛温差过大,炉膛温度应调整均匀,以保证充分发挥全炉催化剂的效能。
21st Century School Edition is ____ a newspaper. It helps us to improve our English a lot.
A.no less than
B.no more than
C.less than
D.more than
开立经常项目外汇账户,登记客户信息时在外汇账户开户登记模块中登记()。
A.账号
B.户名
C.外管性质
D.企业属性