You must take good care of the drainage cock of the air control systemBecause()leads scale formed which might malfunction the pilot control valve and other instruments
A.the temperature
B.the rust
C.the pressure
D.the humidity
A.the temperature
B.the rust
C.the pressure
D.the humidity
A.the temperature
B.the rust
C.the pressure
D.the humidity
You must follow the directions (exactly), and if you become (confusing), you must (take the time) to go back again and read (them) over.
A.exactly
B.confusing
C.take the time
D.them
Is ABC Company far away?
A.Yes, you must take a bus to get there.
B.No, you can just walk there.
C.No, but you'd better not walk.
“Take a couple of breaths and think of… someone you love” is a good way to______.
A.take the control away from your offender
B.see things from the other person’s perspective
C.recognize the benefits of forgiveness
D.calm yourself
B.一般性作业应不低于150lx
C.精密的作业应为300lx~500lx
D.特别精密作业应不低于500lx
E.微细作业应于不低于400lx
B.MEG
C.VSG
D.VIT
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