下列哪项检查不属于特殊检查
A．体层摄影
B．软X线摄影
C．高千伏摄影
D．透视
E．放大摄影
参考答案：D
Feb. 14,2010, to most Chinese, is not just____ day devoted to people in love, but also _____day to express their care to their family and friends.
A．a; a
B．a; the
C．the; the
D．the; a
离心泵运转时，检查轴承温度不得大于（）
A、30℃
B、40℃
C、70℃
D、100℃
