举一反三
- Mercury freezes if it is cooled to＿. A: a too low temperature B: too low temperature C: a low too temperature D: too low a temperature
- Auto instruments include ____. A: speedometer B: coolant temperature gauge C: tachometer D: fuel gauge
- Combustion knock occurring in a diesel engine can be caused by _____. A.low coolant temperature B.insufficient fuel C.high ambient temperature D.carbon buildup on the injector tips
- The aphotic zone (bottom of the ocean) will have ____ and ____ while the photic zone (surface of the ocean) will have ____ and ____. A: low temperature, low salinity; high temperature, high salinity B: low temperature, high salinity; high temperature, low salinity C: high temperature, high salinity; low temperature, low salinity D: high temperature, low salinity; low temperature, high salinity E: both have equal temperature and salinity
- When the engine cools down and coolant contracts, the vacuum draws the coolant back into the radiator in order to make it always completely full.
内容
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As to the low speed diesel engine， if you want to change the coolant flow for a certain cylinder， you can regulate （）.
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执行下列语句后结果是_________temperature = 50if temperature >= 100: print("too hot")elif temperature <= 40: print("too cold")else: print("just right") A: too hot B: too cold C: just right D: too hot too cold just right
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词义搭配： coolant pipe --- 回油管
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以下代码的显示结果是哪个选项？temperature = 50 if temperature >= 100: print("too hot") elif temperature <= 40: print("too cold") else: print("just right") A: too hot B: too cold C: just right D: too hot too cold just right
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If △H value of a reaction is positive, the conditions that must be a spontaneous process is(). A: △S value is positive and high temperature B: △S value is positive and low temperature C: △S value is negative and high temperature D: △S value of is negative and low temperature