强迫怀疑是患者对自己所做过的事的可靠性表示怀疑,需要反复检查、核对()
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If the capacity of the refrigeration compressor is too large, the saturation temperature will ().
A. rise
B. fall
C. be maintained constant
D. None of the above
第三条道路是介于集权和自由之间的一种自发模式。
A. 正确
B. 错误
The fuel injector pump is operated by () which drives the plunger up and down.
A. a separate motor
B. a cam
C. a generator
D. a chai