按国家建设部规定,工程项目总造价中,应预留()的尾留款作为质量保修费,待工程项目保修期结束后最后拨付。
A、10%
B、15%
C、3%~5%
D、30%
参考答案:C
Two more people in Shanghai have been ________ to be infected with the deadly H7N9 bird flu, local authorities said on Sunday.
A.conducted
B.convinced
C.condemned
D.confirmed
配电盘柜内的配线截面应不小于1.5mm2。