交叉杆中间盖板（扣板）裂纹时，须钻止裂孔，清除裂纹后焊修磨平，并进行湿法磁粉探伤。
参考答案：对
Do you know _____? [ ]
A. where can I buy shampoo
B. where am I buy shampoo
C. where did I buy shampoo
D. where I can buy shampoo
常规神经传导速度检查要求皮肤温度为（）
A.26℃
B.28℃
C.34℃
D.20℃
E.无要求
