单选题:蒸发量大于0.2t/h的锅炉,锅炉上必须安装( )彼此独立的水位计,以保证正确地指指示锅炉水位的高低。 题目分类:技术与计量(安装) 题目类型:单选题 查看权限:VIP 题目内容: 蒸发量大于0.2t/h的锅炉,锅炉上必须安装( )彼此独立的水位计,以保证正确地指指示锅炉水位的高低。 A.1个 B.2个 C.3个 D.4个 参考答案: 答案解析:
Stranger:Could you tell me the entrance to the subway?Resid Stranger:Could you tell me the entrance to the subway?Resident:__________. A.S 分类:技术与计量(安装) 题型:单选题 查看答案
Visitor:How do I get to the bank?I have no knowledge of thi Visitor:How do I get to the bank?I have no knowledge of this area. Policeman:C 分类:技术与计量(安装) 题型:单选题 查看答案
研究表明,在学习中一般易受外界环境影响的个体在认知风格上属于( ) 研究表明,在学习中一般易受外界环境影响的个体在认知风格上属于( ) A.场独立性 B.场依存性 C.冲动型 D.反省型 分类:技术与计量(安装) 题型:单选题 查看答案
George:I have just gotten a pair of movie tickets and l was George:I have just gotten a pair of movie tickets and l was thinking of invitin 分类:技术与计量(安装) 题型:单选题 查看答案