Which system(s) in the hydraulic systems of crane always hold(s) single side of load?()
A、hoisting system only
B、hoisting system and luffing system
C、hoisting system and slew and slewing system
D、slewing system only
A、hoisting system only
B、hoisting system and luffing system
C、hoisting system and slew and slewing system
D、slewing system only
A、A.Manual fire detection system B、B.Automatic fire detection system C、C.Smoke detection system D、D.Watchman's supervisory system
A、tar -cvf file_system.tar /staticFS ; gzip file_system.tar B、tar -xvf /staticFS file_system.tar ; gzip file_system.tar C、tar -cvf /staticFS file_system.tar ; compress file_system.tar D、tar -xvf file_system.tar /staticFS ; compress file_system.tar
A、PP-system B、PA-system C、AP-system D、AA-system
A、Reboot in Safe Mode B、Reboot in Recovery Console C、Reboot in Last Known Good Configuration D、Reboot in System Debug Mode
A、A. The computer's account was removed from Active Directory. B、B. The user's account was removed from Active Directory. C、C. The computer was disjoined from the domain. D、D. The user typed in the wrong password
A、Defective temperature controls in the system B、Cavitation in the cooling water pump C、Opened vent in the cooling system D、Restricted water passages in the engine
A、Hold No.2. B、No, on the bridge. C、Yes, in the captain’s cabin. D、Sorry, I don’t know.
A、The operating system’s temporary folder will be opened. B、Applications located in the %temp% folder will be executed. C、Applications will be deleted in the %temp% folder. D、The current user’s temporary folder will be opened.