单项选择题
A.the pump discharge B.the manifold connection C.each fire station discharge D.the pump station
Each fire hydrant serving machinery spaces containing o...
单项选择题Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.
A.fireman's outfit B.low-velocity spray applicator C.marine strainer D.pick axe
Each fire hydrant must have at least one spanner and at...
单项选择题Each fire hydrant must have at least one spanner and at least one（）.
A.hose rack or reel B.all purpose nozzle C.foam applicator D.pick axe
Each fire hose coupling on a ship must have threads tha...
单项选择题Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
A.American Petroleum Institute B.National Standard Firehose Coupling C.American Society of Mechanical Engineers D.Underwriter's Laboratories，Inc
