柴油发电机配电屏受电端子上的380V电压变动范围是()V。
A、361~418
B、361~399
C、323~418
D、232~399
参考答案:B
脱疽因寒湿而引发者,其初起的脉象多数是:
A.血栓性浅静脉炎B.血栓性深静脉炎C.游走性浅静脉炎D.血栓闭塞性脉管炎E.动脉硬化闭塞症
You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. Do not write the address. (10 points)