The agreement is considered ( ) satisfactory.
A. beingB. to beC. /D. be
参考答案:B
能“上行头目,下调经水,中开郁结”的药物是
A.川芎
B.益母草
C.丹参
D.郁金
E.红花
图示结构(不计轴向变形)AB杆轴力为(EI=常数):()
A.5ql/8
B.3ql/8
C.5ql/16
D.3ql/16