【单选题】实行施工总承包的,专项方案应当由施工总承包单位、相关专业承包单位( )签字。
【判断题】2 通过增加管程流量或增加横流速度可以改变卡曼漩涡频率,从而消除散热器的振动。
【单选题】The speaker indicates that young people would not change their jobs so often and would fit for their jobs better if they______.
A.
knew the jobs and themselves well
B.
had a good curriculum in high school
C.
happened to have the 'one perfect job'
D.
could get used to their working lives
【多选题】建筑工程实行施工总承包的,专项方案应当由施工总承包单位组织编制。但是( )等专业工程实行分包的,其专项方案可由专业承包单位组织编制。
【判断题】建筑工程实行施工总承包的,专项方案应当由施工总承包或分包单位组织编制。()