If a cam-controlled engine has a normal injection pressure at rated speed,the injection pressure will be（）at slow speed. ["a little lower","a little higher","too low","exactly the same"]
什么是访问控制列表？它的主要功能是什么？
You should plot your dead reckoning position（）. ["From every fix or running fix","From every estimated position","Every three minutes in pilotage waters","Only in pilotage water"]
WXH-11型微机保护可以存放几套定值？
The main purpose of changing main engine to electronic controlled is not to（） ["control fuel injection time more precisely","control fuel injection rate more precisely","meet the environmental requirements","meet high engine speed requirement"]
微机保护中控制字由几位组成？输入定值时用几进制数？
