cylinder pressure
flame intensity
exhaust gas temperature
crankshaft axial alignment
第1题：
A.Telnet
B.SMTP
C.SIP
D.SNMP
第2题：
A sling psychrometer is a(n) ______.
A.type of cargo gear
B.instrument used in celestial navigation
C.instrument used to measure relative humidity
D.instrument used to measure specific gravity
第3题：
A.blank
B.restrictive
C.special
D.qualified
第4题：
Which of the following protocols is commonly used for VoIP technology?（）
第5题：
An aneroid barometer is an instrument ______.
A.used to measure the speed of wind
B.in which the pressure of air is measured
C.that tells which direction a storm is coming from
D.used to measure the height of waves
第6题：
________ is a device used to measure atmospheric pressure．
A.Barometer
B.Thermometer
C.Chronometer
D.Speedometer
第7题：
A check line is ______．
A.A safety line attached to a man working over the side
B.Used to measure water depth
C.Used to slow the headway of a barge
D.Used to measure the overhead height of a bridge
第8题：
refers to the parts of the computer that you can ,see and touch. It is used for the purpose of(69).
A．Software
B．Hardware
C．Hardship
D．Instrument
第9题：
Which of the following protocols is commonly used by ping?（）
第10题：
temperature and pressure
humidity and temperature
pressure and vacuum
pressure and humidity