G．ear pumps are widely used to transfer any one of the following but .

A．fuel oil

B．lube oil

C．hydraulic oil

D．fresh water

[单选题]（）are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.A . CranesB . ConveyorsC . ForklifttruckD . Pallets

[单选题]When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.A . check valve installed in the lineB . shut off valve at a manifold near the pumpC . q

[单选题]The most widely used LAN system is ______ which adopts a form. of access known as CSMA-CD．A．EthemetB．ATMC．FDDID．Wireless

[单选题]（）, so they are widely used on board ship nowadays.A . Diesel engines have more advantages in comparison with gasoline enginesB . Diesel engines have more advantages in comparison to gasoline enginesC . Gasoline engines have more advantages in compar

[单选题] One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the （71）algorithm. Routing protocols in internetworks differ slightly from the ideali

[单选题]One of the most widely used routing protocols in IP networks is the Routing Information Protocol(RIP)．RIP is the canonical example of a routing protocol built on the (71) algorithm．Routing protocols in internetworks differ slightly from the idealized

[单选题]Most of the widely used global security indexes are:A.price-weighted.B.equa

[单选题]Fuel oil transfer systems used onboard diesel propelled vessels are required to have （）.A . two fuel oil transfer pumps provided where one is to be independent of the main engineB . two fuel oil transfer pumps, with a combined capacity exceeding the

[单选题]Pipes made of this plastic are now widely used in building as they are ligh

[单选题]It is known to us that English is not as old as Chinese, but it is widely u