三阀是指闸阀、逆止阀、旁通阀。
参考答案:错
The famous writer died of heart attack, .
A.leaving his novel to unfinish
B.leaving his novel unfinished
C.left his novel unfinished
D.leaving his novel unfinishing
某省水利厅作为项目法人拟进行某项目施工招标,该项目属中央投资的公益性水利工程,则评标委员会专家可从()中抽取。
A.该省水利厅组建的评标专家库
B.该省建设厅组建的评标专家库
C.该省某招标代理机构组建的评标专家库
D.该项目所属流域管理机构组建的评标专家库
E.水利部组建的评标专家库