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【单选题】

It is necessary to remove () from the cooling water spaces to improve heat transfer.

A、lime

B、frost

C、scale

D、scar

更多“It is necessary to remove () from the cooling water spaces to improve heat transfer.”相关的问题
第1题

A、it necessary  B、it is necessary  C、it necessary to  D、necessary  

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第2题

A、It is necessary to forward ARP requests to remote hosts.  B、It is necessary when translated traffic belongs to the same subnet as the ingress interface.  C、It is not automatic and you must configure it.  D、It is enabled by default and you do not need to configure it.  

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第4题

A、When a vessel is alongside the wharf, it’s necessary for the ship to keep a 24-hour deck watch to guarantee the safety of the ship and the cargo.  B、When a vessel is alongside the wharf, t’s necessary for the ship to keep a 24-hour gangway watch to guarantee the safety of the ship and the cargo.  C、When a vessel is alongside the port, it’s necessary for the ship to keep a 24-hour deck watch to guarantee the safety of the ship and the cargo.  D、When a vessel is alongside the port, it’s necessary for the ship to keep a 24-hour gangway watch to guarantee the safety of the ship and the cargo.  

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第5题

A、is usual  B、is not usual  C、is necessary  D、is not impossible  

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第6题

A、It is used to restart the router.  B、It is used to bypass the configuration in NVRAM.  C、It is used to enter ROM Monitor mode.  D、It is used to view the lost password.  E、It is used to save the changes to the configuration.  

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第7题

A、It is needed to identify a unique instance of an OSPF database.  B、It is an optional parameter only necessary if multiple OSPF processes are used.  C、It is locally significant.  D、It is globally insignificant  E、All routers in the same OSPF area must have the same process ID to exchange routing information.  

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第8题

A、a good dictionary should be bought  B、buying a good dictionary is necessary  C、you should buy a good dictionary  D、it is necessary that you will buy a good dictionary  

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第9题

A、A.It is corrosive  B、B.It is odorless  C、C.It is visible as h blue fog  D、D.It has a distinctive taste  

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