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【单选题】
以下哪一种方法是减少差错的最根本方法:A.
高线路质量
B.
采用屏蔽
C.
选择合理的编码方式
D.
差错检查
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反馈参考答案：
举一反三
【单选题】Two air compressors are provided for the starting air system and should be capable of ________.
A.
charging the starting air containers within one hour
B.
providing the minimum quantity of starting air at all times
C.
supplying all the air necessary to start both the main engine and an auxiliary at the same time
D.
topping off all receivers at the required design pressure
【单选题】Two air compressors are provided for the starting air system and should be capable of ______.
A.
charging the starting air containers within one hour
B.
providing the minimum quantity of starting air at all times
C.
supplying all the air necessary to start both the main engine and an auxiliary at the same time
D.
topping off all receivers at the required design pressures
【简答题】如何确定财政支出效益的分析方法？
【单选题】The starting air system usually has _____ to prevent starting if anything is not in order.
A.
stop valves
B.
interlocks
C.
non-return valves
D.
air vents
【单选题】Pump up the starting air reservoirs to their maximum pressure and ______the air reservoirs and air system.
A.
open
B.
close
C.
drain
D.
vent
【单选题】Two air compressors are provided for the starting air system and should be capable of ____.
A.
charging the starting air containers(空气瓶)within one hour
B.
providing the minimum quantity of starting air at all times
C.
supplying all the air necessary to start both the main engine and an auxiliary at the same time
D.
topping off all receivers at the required design pressures
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