卸压瓦斯抽放

如果梯形的一条底边长为5，中位线长为7，那么另一条底边的长为         ．

根据汉语提示完成句子

He has only a           (轻微的)fever and doesn't need to see a doctor.

汽轮发电机转子护环的作用是防止转子绕组在离心力的作用下，不致沿（）。

A、轴向移动

B、径向移动

C、切向移动

（74） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.

A．Controls

B．Baselines

C．Project stakeholders

D．Project managers

澳大利亚风能资源主要集中在东北部、东南部和西南部沿海地区。近海80米高年平均风速超过8～9米/秒，适合开发大型陆上风电基地。