机泵不同心,造成离心泵振动,应()。
A.更换润滑油
B.降低泵的负荷
C.减少叶轮数
D.调整同心度
参考答案:D
证见头微痛,恶寒无汗,咳嗽痰稀,鼻塞咽干,苔白,脉弦,宜选用()
A.杏苏散
B.止嗽散
C.桑杏汤
D.清燥救肺汤
E.麦门冬汤
An analyst does research about intangible assets. Expenditures on research are most appropriately:
A. expensed in the year incurred.B. capitalized as intangible assets and amortized over the life of the asset.C. capitalized as intangible assets and tested annually for impairment of value.