已知一标准直齿圆柱齿轮,齿数为32,齿顶圆直径为68mm,则该齿轮的齿顶高为()。
A. 4mm
B. 6mm
C. 2mm
D. 2.5mm
查看答案
缺氧所致的颅内出血常见的出血部位为脑室内出血和脑实质出血,尤多见于早产儿。
A. 正确
B. 错误
期末“制造费用”账户结转后()
A. 一般没有余额
B. 有借方余额
C. 有贷方余额
D. 一定没有余额
测试变压器绝缘值应大于(),远程点灯变压器除外。
A. >200MΩ
B. >100MΩ
C. >150MΩ
D. >50M&Omega
Which two components should be part of a security implementation plan?()
A. detailed list of personnel assigned to each task within the plan
B. a Layer 2 spanning tree design topology
C. rollback guidelines
D. placing all unused access ports in VLAN 1 to proactively manage port security
E. enabling SNMP access to Cisco Discovery Protocol data for logging and forensic analysi