下列（）属于综采工作面的防尘措施。 ["短孔动压注水","人员戴口罩","洗刷支架","顺层钻孔提前静压注水"]
反映速度
You are the network consultant from passguide.com. Could you please tell customers what strategy will protect network resources and services from unauthorized actions?（） ["Network management","Network optimization","Network security","Content storage networking"]
The tag timeout value for a Cisco Wireless Location Appliance should be set to which tagbeacon rate？（） ["4 to 6 times the tag beaconing rate","6 to 8 times the tag beaconing rate","8 to 10 times the tag beaconing rate","10 to 12 times the tab beaconing rate"]
在施工质量控制点的控制中，对冷拉钢筋应注意先焊接之后再进行冷拉，这是从（）方面加强重点控制。 ["关键操作","技术间歇","施工技术参数","施工顺序"]
用经纬仪瞄准同一竖直面内不同高度的两点，水平度盘上读数是否相同 ？ 在竖直度盘上的读数差是否就是竖直角 ？ 为什么 ？
