经主管环境部门同意后,可在初步设计完成前把《环境影响报告书(表)》送交报批的建设项目类别是()
A. 铁路、交通等
B. 水力、水利等
C. 文化、教育、体育设施
采掘运输设备的维修,每天应不少于(),交接班时要有15min的互检时间。
A. 2~4h
B. 3~5h
C. 4~6h
When the changing of a VHF channel / frequency is accepted,say().
A. I am going to change to VHF channel
B. I am certainly going to change to VHF channel
Changing to VHF channel
D. VHF channel. has been changed