... 地面落叶层：duff 地面控制绳：ground control line 地面空气：ground air ...
双语例句
1
And then, analyzes device composing and industrial control flow of the wall and ground brick production line;
然后分析了墙地砖整线生产设备组成以及它的工艺控制流程；
2
And testing a vehicle's position related to the line of magnetic marks in the virtual trailing ground is simulated in favor of successive control models.