【单选题】___________ is the lowest point in Australia.
B.
The Great Artesian Basin
D.
The Great Victoria Desert
【判断题】车床操作时为方便观察,头应靠近工件,高速切削时,必须戴防护镜。
【单选题】The team's spirit was at the lowest point in the season.
【简答题】自由锻的工序可分为()、()、()三大类。
【简答题】The lowest point of the US is _________.