依据《华电集团工程建设安全管理程序》的规定，各级工程建设技术管理人员在现场检查指导工程进展情况时，要同时检查工程安全情况。()
查看答案
What statement is generally correct regarding the maintenance requirements for ships under
A. Redundancy of functions of certain equipment will partially meet this requirement
B. On-board maintenance provided by a person holding a Second Class Electronic Certificate license will partially meet the requirements
C. shore based maintenance and scheduled tests and inspections will partially meet this requirement
D. All of these
依据《华电集团电力生产安全工作规定》(中国华电生制【2011】113号)，各企业行政副职是安全生产第一责任人，对安全生产工作负全责。()
施工单位对进场的材料应该进行哪些验收检验，水暖系统阀门安装前压力试验的检查数量为？
微信支付 
支付宝支付