混凝土结构应满足的功能要求是__、__和__。

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

对于现浇混凝土结构跨度大于2m且小于8m的板，拆模时混凝土强度应达到设计强度的_____。

混凝土冬期施工的气温要求是_____。

施工缝的位置应在混凝土浇筑之前确定，宜留在结构____且便于施工的部位。

对于跨度大于8m的承重结构，模板的拆除混凝土强度要达到设计强度的_____。

预应力混凝土结构的混凝土强度等级不宜低于_____。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

防水混凝土的结构的裂缝宽度不得大于________。