【判断题】为了提高生产效率,塑件充满模具型腔后应立即打开模具,取出塑件。( )
【单选题】If the fire alarm is sounded, all residents are requested to _____ in the courtyard.
【判断题】构件的破坏形式与材料及应力状态有关。( )
【单选题】常温、静荷载作用下,材料的破坏形式与______有关。
【单选题】If the fire alarm is sounded , all residents are requested to ____ in the courtyard .?
【单选题】If the fire alarm is sounded, all the residents are requested to _____ in the courtyard.