肘关节脱位最常见的类型是
A．前脱位B．后脱位C．外侧方脱位D．内侧方脱位E．中心性脱位
参考答案：B
The chairman told the speaker that she _____ to speak a little louder so as to make herself _____.
A．was expected; heard
B．had expected; hear
C．had hoped; hear
D．was hoped; heard
对于200*1250mm2断面，拉速v=1.0m/min，二冷总水量（W）为120吨/小时，求比水量L是多少升/Kg钢？已知钢水比重ρ=7.3吨/m3（小数点后保留两位）
