打眼机打眼必须使用夹料器,严禁直接用手扶料。()以上的长料应使用托架。
A.1mm
B.1.5mm
C.2.5mm
D.3.5mm
参考答案:B
It's helpful to put children in a situation ____they can see themselves differently.[ ]
A. that
B. when
C. which
D. where
脉浮而弦硬,按之搏指者是()
A.浮脉
B.洪脉
C.芤脉
D.革脉
E.散脉