单选题The replacement piping for diesel engine high pressure fuel systems must be the same length and diameter as the original piping to （）.Aavoid unnecessary pints inventoryBkeep torsional vibration constantCuse existing supports and bracesDmaintain specified injection characteristics
单选题
The replacement piping for diesel engine high pressure fuel systems must be the same length and diameter as the original piping to （）.
A
avoid unnecessary pints inventory
B
keep torsional vibration constant
C
use existing supports and braces
D
maintain specified injection characteristics
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