推出法检测时,环境温度和试件温度均应高于()
A.0°C
B.10°C
C.20°C
D.-10°C
参考答案:A
综合安全技术
设置固定的栅栏是()安全装置。
A.控制
B.自动
C.连锁
D.隔离
Software document is an important part of software and a basis of software's development phase. It also influnces software's
A.Reusability
B.Maintanence
C.Expansibility
D.Portability