合理的加工工艺对提高数控车床的加工效率和（）至关重要。
A. 加工精度
B. 定位精度
C. 车削精度
D. 加工精度
查看答案
与牙槽骨吸收有关的两种细胞一种是破骨细胞，另一种是（）
A. 中性粒细胞
B. 单核细胞
C. T淋巴细胞
D. B淋巴细胞
E. 巨噬细胞
旅客遗失客票，可以用（）向承运人或其销售代理人申请挂失
A. 口头形式
B. 电话
C. 口头或书面形式
D. 书信
Your network consists of a single Active Directory domain. User accounts for engineering department are located in an OU named Engineering. You need to create a password policy for the engineering department that is different from your domain password policy. What should you do（）
A. Create a new GPLink the GPO to the Engineering O
B. Create a new GPLink the GPO to the domain. Block policy inheritance on all OUs except for the Engineering OU
Create a global security group and add all the user accounts for the engineering department to the group. Create a
D. Create a domain local security group and add all the user accounts for the engineering department to the group. Fr
法兰密封原则为（）。
A. 介质压力越高，密封性要求高
B. 介质压力较高，密封性要求低
C. 介质压力对密封性无要求
D. 介质压力较低，密封性要求高
微信支付 
支付宝支付