在钻削加工小零件时可以用手把持加工
参考答案:错
下列哪一项不属四总穴()。
A.委中
B.合谷
C.列缺
D.足三里
E.支沟
It is said that a new policy is being put( )practice in your foreign trade.
A.on
B.into
C.under
D.with