【单选题】建设工程项目策划旨在为项目建设的( )增值。
【单选题】The maintenance work for sailors includes ()(清洁), repairing and painting work on board a ship. 正确答案A
【判断题】限制研究对象运动的周围物体称之为研究对象约束体。
【单选题】The general purpose personnel is carrying out maintenance work in the engine room on overtime. The work does not affect operation. At the end of normal working hours, what does the engineer on duty do...
A.
Continue with manual operated engine room until the maintenance work is finished
B.
Switch to UMS-mode, and leave the engine room
C.
Switch to UMS-mode, but inform the general purpose personnel accordingly prior to leaving the engine room
D.
Any one of the other alternatives
【单选题】Which of the following routine maintenance work is correct to keep the boiler functioning properly?
A.
Clean fuel burner components and igniter electrodes every week.
B.
Clean tubes in the exhaust gas section of the boiler with wire brushes every six month.
C.
Examine thc furnace to ensure that there are no excess carbon deposits.
【单选题】建设工程项目策划旨在为项目建设的( )和实施增值。
【单选题】建设工程项目策划旨在为项目建设的( )和实施增值。
【单选题】The cooling system needs least maintenance work for in this kind of system.
A.
open, the minimum components
B.
open, the high cooling efficiency
C.
central, there are more coolers and a extra set of pumps
D.
central, there is only one component contacts seawater