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What is a requirement for remote manual shutdown stations for internal combustion engine driven cargo pumps on tank barges ________．
A.They must be conspicuously marked
B.They must be located at least 10 feet from the engine
C.There must be at least two such shutdown devices
D.The valve rods shall be fitted with stuffing boxes
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更多 “ What is a requirement for remote manual shutdown stations for internal combustion engine driven cargo pumps on tank barges ________．A.They must be conspicuously markedB.They must be located at least 10 feet from the engineC.There must be at least two such shutdown devicesD.The valve rods shall be fitted with stuffing boxes ” 相关考题
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