A、only the replacement of the entire pump would be acceptable
B、the injection pump and injection nozzle must be replaced
C、either the barrel or plunger must be replaced
D、the barrel and plunger must be replaced as a unit
更多“If the plunger or barrel of a fuel injection jerk pump becomes damaged,（）”相关的问题
A、grinding the spare plunger to the barrel B、replacing the plunger and the barrel C、highly polishing both the plunger and barrel D、replacing plunger only
A、keep the parts immersed in diesel fuel B、always keep the plunger and barrel together C、work over a linoleum-type surface D、all of the above
A、Master，or person in charge B、Chief Engineer，or engineer in charge if no chief engineer is required C、Senior mechanic，or mechanic on duty if no senior mechanic designated D、Senior electrician，or electrician on duty if no senior electrician designated
A、given the necessary salvage or assistance B、given the salvage or assistance necessary C、rendered the necessary salvage or assistance D、rendered the salvage or assistance necessary
A、INSTR returns the numeric position of a named character. B、NVL2 returns the first non-null expression in the expression list. C、TRUNCATE rounds the column, expression, or value to n decimal places. D、DECODE translates an expression after comparing it to each search value. E、TRIM trims the heading or trailing characters (or both) from a character string. F、NVL compares two expressions and returns null if they are equal, or the first expression if they are not equal. H、NULLIF compares two expressions and returns null if they are equal, or the first expression if they are not equal.
A、The carrier B、The Shipowner C、The carrier or the Shipowner D、Neither the carrier nor the Shipowner
A、by turning the pump plunger B、by vary the fuel valve spring force C、by no means by controlling the governor D、by enlarging or diminishing the injection hole
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