求翻译：基础混凝土浇筑应分层进行，采用插入式振动棒振捣。振动棒不得触及钢筋、模板、预埋螺栓等。浇筑混凝土时应对称下料，防止螺栓位移。并在砼浇筑完后，再复查螺栓位置和外露尺寸。是什么意思？

poured concrete foundations should be layered, and vibration in plug-in in the league. Vibrating steel rods do not have to touch, templates, pre-ground bolts, and so on. When pouring concrete, that should prevent bolt shift. And when you have finished pouring on behalf, and then review bolt position

The foundation concrete construction should the lamination carry on, uses the jack-in vibrating spear to inspire pounds.The vibrating spear does not have to touch the steel bar, the template, buries the bolt in advance and so on.When concrete should the symmetrical yummy treats, prevent the bolt dis

Base concrete should be layered, plug-in vibrator vibrating. Vibrator may not touch the bar, templates, embedded bolts. When pouring concrete cutting, preventing the displacement bolts. And after finished concrete pouring, and then review the bolt exposed location and size.