布拉马普特拉河上游是我国的[ ]
A、元江
B、怒江
C、澜沧江
D、雅鲁藏布江
答案:D
在拱架上分段现浇混凝土拱圈时,关于间隔槽混凝土浇筑的说法,错误的是()。
A.应待所有拱圈分段浇筑完成且强度达到75%设计强度
B.分段接合面按施工缝处理后,由拱脚向拱顶对称进行浇筑
C.拱顶及两拱脚的间隔槽混凝土,应在最后封拱时浇筑
D.分段接合面按施工缝处理后,由拱顶向拱脚对称进行浇筑
In relation to the Labour Contract Law of China:
(b) state the legal relations between the entity despatching labour services and the persons despatched to the labour service purchaser; (2 marks)