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请您列举出教代会的专门委员会有哪些?
分相型气体绝缘金属封闭开关设备(GIS)的额定电流超过2000A时,钢外壳需要采取隔磁措施,其目的( )。
患者,男,58岁。曾患过心肌梗死,突然出现心悸、胸闷,心前区压榨样疼痛。心电图示:增宽变形QRS连续发生,频率170次/分,可见心室夺获,口唇发绀,BP60/45mmHg,有效的抢救措施是()
在保险期届满以前及时通知客户续保的应是()。
熟石膏,人造石和超硬石膏是临床常用的模型材料,其物理机械性能有较大的差异,表现在( )。
如果充电电流过大,拆下磁场接柱导线后充电电流减小,则故障在()。
“犹不改。宣子骤谏”中的“骤” 的含义是()。
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
当温度升高时,晶体二极管的伏安特性曲线将向()。
在规划料场实际开采量时,反滤料应根据筛后有效方量确定,一般不宜( )。
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