气管插管后,确定插管位置的方法正确的是:() ["根据气管隆突的体表标志进行确认","用吸痰管量插入深度确认","胸部X线","根据患者身高进行确认","根据胸骨角的位置进行确认"]
简述主动转运的特点。
In order for a controller-based access point to be allowed to participate in aggressive load balancing, it musthave heard the client within how many seconds?() ["1","5","10","15"]
环链式滑车是一种()。 ["重工具","引工具","装工具","移工具"]
重力坝给出的抗滑稳定分析方法有哪些,他们适用哪些范围?
库容系数是()与()的比值。