求翻译：Foundation of 温室采用precast reinforced concrete，高出地面200mm，全部为点式基础，基础采用大小为180×180×500mm的预制钢筋混凝土构件，施工时，构件四周用400×400×500mm的C20混凝土浇灌固定。是什么意思？

Foundation of the greenhouse using precast reinforced concrete, above ground 200mm, all to-point basis, the basis of the use of size 180 × 180 × 500mm pre-cast reinforced concrete structures, construction, components surrounded by a 400 × 400 × 500mm of C20 concrete pour fixed .

Foundation greenhouse use of precast reinforced concrete, high ground, all of whom are 200 mm-point basis, and based in size to 180 x 180 x 500 mm, the construction of prefabricated reinforced concrete components, components used for 4 weeks of 400 x 400 x 500 mm C concrete pour 20 fixed.

Foundation of greenhouse uses precast reinforced concrete, outdoes ground 200mm, when completely for the type foundation, the foundation uses the size for 180×180×500mm the prefabrication reinforced concrete component, the construction, the component all around uses 400×400×500mm the C20 concrete wa

Using precast reinforced concrete Foundation of greenhouses, up from the ground 200mm, all of which dot Foundation, base size for 180x180x500mm of precast reinforced concrete members, the construction of the widget 400x400x500mm C20 concrete casting fixed four weeks.

Foundation of greenhouse adopts precast reinforced concrete, higher than ground 200mm, all some type foundations, the foundation adopts the structural component of armored concrete of prefabrication with size of 180*180*500mm, while constructing, water around the structural component fixedly with C2