有毒气体可分为刺激性气体和()两种。 ["有害气体","污染气体","窒息性气体","放射性气体"]
配电自动化通过哪些通信方式来实现?
在分条整经机上为什么主要放分绞筘和定幅筘?而在分批整经机上只安装一个伸缩筘就可以了。
In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to () ["turn the flywheel","reduce friction","overcome inertia","ignite the fuel"]
高级配电自动化的主要特点有哪些?
配电自动化与调度自动化有哪些区别?