带状切屑较挤裂切屑的塑性变形充分,所以切削过程较平稳。( )
参考答案:对
Lucy has________all of the goals she set for herself in high school and is ready for new challenges at
university.[ ]
A.acquired
B.finished
C.concluded
D.achieved
移动架空线路维护规范要求杆号下边缘应距地()米,杆号应面向公路、街道。
A.1
B.1.5
C.2
D.2.5