A、film
B、cap
C、lacquer
D、shell
更多“There should be a lubricating oil （） between the main beatings and the crankshaft.”相关的问题
A、The hose should not be twisted B、The hose should be protected with a sleeve if it is subjected to rubbing C、There should be some slack in the hose D、All of the above
A、the engine was over filled B、there might be a fuel leak C、there might be a water leak D、all of the above
A、Were there loss of energy by friction B、Since there be loss of energy by friction C、Were there no loss of energy by friction D、Should be no loss of energy by friction
A、The jumpers should be placed in the single/master position. B、There are no configuration jumpers needed on a SAS hard drive. C、The jumpers should be placed to give the drive a SCSI ID of 1. D、The jumpers should be placed in the slave position.
A、The towing line between the two vessels should be clear of the water B、The towing line should be taut at all times between the vessels C、There should be a catenary so the line dips into the water D、None of the above
A、A.There is apparent condensate in piping B、B.The steam is not discovered after admitting steam C、C.The condensate should be fully loaded in the piping as admitting steam D、D.The condensate should be fully drained from the piping while admitting steam
A、A.excess stresses will not be set up in the boiler B、B.the decks will not be covered with soot C、C.the soot will be swept toward the uptakes D、D.there will not be a loss of steam pressure
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