A、produces pressure
B、imparts energy to a fluid to move it from level ‘A’ to level ‘B’
C、creates a vacuum to move a liquid in all installation
D、is to develop a pressure differential
更多“A pump is defined as device that（）”相关的问题
A、The cluster VIP is defined on the MAG4610 cluster, and the VIP of the cluster is defined as an instance on the SRX Series device. B、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of both the active and passive nodes of the cluster are defined as separate instances on the SRX Series device. C、The cluster VIP is defined on the MAG4610 cluster, and the IP address of the active node is defined as an instance on the SRX Series device. D、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of the passive node is defined as an instance on the SRX Series device.
A、Pump only if the discharge is led to a shore tank or barge B、Pump only during the hours of darkness C、Pump only on the outgoing tide D、Pump only as much as is necessary
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、requested to pump out B、requested pumping out C、requesting to pump out D、requesting pumping out
A、as close to the main engine as possible B、as close to the main pump as possible C、just before the fuel valve D、just before the booster pump
A、A.an engine-driven；as well B、B.an engine-driven；has an independent pump C、C.an independent；as well D、D.an independent；has an engine-driven pump
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