细长压杆的失稳,主要是强度不够所致。
参考答案:错
Your arguments for claim ( ) .
A.is not convincing
B.are convinced
C.are not convincing
D.has been convinced
证见身热不甚,干咳少痰,右脉数大者.宜选用()
A.桑杏汤
B.杏苏散
C.清燥救肺汤
D.养阴清肺汤
E.沙参麦冬汤