When the truck does not work, the driver should()engines.
A、A.turn on
B、B.turn off
C、C.shut up
D、D.close
A、A.turn on
B、B.turn off
C、C.shut up
D、D.close
A、when the order is placed B、when the product is shipped C、when the product is delivered D、when the product is installed
A、When the discovery packet enters the router from the DHCP client. B、Only when the offer packet enters the router from the DHCP server. C、When the acknowledge packet enters the router from the DHCP server. D、Only when the discovery packet leaves the router going to the DHCP server.
A、the ship is very close to the pier B、the ship is about to be in position C、the ship is in position D、the ship is getting alongside the pier
A、A.It prevents the load from swinging when the boom level is adjusted B、B.Less power is needed when topping the boom with a load on the hook C、C.It maintains the height of the load above the deck D、D.All of the above