Sometimes it is very difficult to _______ some of the English words. Even the native speaker can not help.
C
暂无解析
伤员受伤后,应首先检查生命体征及危及生命的严重伤,处理后,方能转运
全挡块需要半价层的个数是()
对于TAT皮试阳性可疑者应()
运行日志包括()
闭门器只能安装在门扇上部靠近铰链一边机体上无调速螺钉的一端,面向铰链,否则,门将不能开启