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【单选题】
下列不属于水肿的是( )A.
肺水肿
B.
下肢水肿
C.
眼睑水肿
D.
踝部水肿
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举一反三
【单选题】When the heat load begins to increase, the needle valve of an expansion valve will______.
A.
move in an opening direction
B.
move in a closing direction
C.
either open or close
D.
not move at all
【单选题】A thermostatic expansion valve is properly controlling evaporator superheatAdjusting this valve to lower the superheat will result in a/an （）.
A.
evaporator pressure decrease
B.
evaporator coil over-feed
C.
evaporator capacity increase
D.
expansion valve diaphragm rupture
【单选题】When the refrigeration demand is small,_______.
A.
the expansion valve will move toward the wide open position
B.
the expansion valve will move toward the closing position
C.
the feeler bulb will conveys the high temperature
D.
the superheat degree will raise
【单选题】After passing through the expansion valve the refrigerant should be in the state of _____.
A.
vapor
B.
liquid
C.
solid
D.
None of the above is tree
【简答题】我寻找一切机会尽可能多的用英语进行阅读。 1 – 2 – 3 – 4 – 5 37. 对于如何提高自己的英语技能,我有明确的目标。 1 – 2 – 3 – 4 – 5 38. 我经常回想自己在英语学习中的进步。 1 – 2 – 3 – 4 – 5 39. 每当感到害怕英语时,我便努力放松自己。 1 – 2 – 3 – 4 – 5 40. 尽管我害怕出错,但我还是鼓励自己去讲英语。 1 – 2 – ...
【单选题】The thermal expansion valve reacts directly to the _________.
A.
temperature in the space being cooled
B.
liquid refrigerant pressure at the solenoid valve
C.
pressure drop across the evaporator coils
D.
refrigerant gas superheat at the coil outlet
【单选题】The scale trap is located between the .
A.
king valve and the expansion valve
B.
solenoid valve and expansion valve
C.
evaporator and receiver
D.
compressor and evaporator
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