构件承载能力不包括()。 ["足够的强度","足够的刚度","足够的韧性","足够的稳定性"]
通过鼎汉电源屏的监控单元,调出所有模块运行数据,并作记录。以此可以判断模块是否需要进一步() ["测量","维护","了解","转换"]
高铁区间轨道电路一共有下列()Hz调谐匹配单元。 ["1700","2000","2300","2600"]
JWJXC-6800型继电器加强动断接点的压力应不小于()。 ["300mN","250mN","100mN","600mN"]
枪钻适合于加工直径为3-30mm,深径比大于()mm的深孔。 ["20","50","100","200"]
矩阵调查表