ZK4型电空转辙机表示装置是如何实现的?
()可以用来设置截面扁的程度。 ["截面参数","扭曲","肿瘤","偏心率"]
根据“‘互联网’+行动计划解读”这讲,如何推进“互联网+”?() ["巩固网络基础","强化应用基础","做实产业基础","保障安全基础","提高经济基础"]
按照边坡岩体的滑动速度,边坡岩体的滑动破坏可分为四种类型,其中滑动速度在0.01m/s到1.0m/s之间称为()。 ["蠕动滑动","慢速滑动","快速滑动","高速滑动"]
提倡网络预约出租汽车提供()等供乘客使用。 ["A.互联网无线接入 ","B.手机充电器 ","C.纸巾 ","D.雨伞"]
multiPlex多路复用