用二分器缩分煤样时,煤样应呈()的形式往复摆动均匀给入二分器的,每摆动一次,就摆过一定数目的格槽,煤样就被切割成若干()。
参考答案:柱状、子样
在阴阳失调病机中,阳偏衰以哪脏为根本()。
A.心
B.肝
C.脾
D.肺
E.肾
The declaration of import goods shall be made to the Customs by the importer within ______ days from the date of the declaration of the arrival of the means of transport.
A.seven days
B.fourteen days
C.fifteen days
D.thirty days