正在加载视频...
视频加载失败
Now you know....
5 条评论

Manuel2 个月前
concrete has to have coarse aggregate like gravel or stones.. what you've just compared with cement is mortar

frost2 个月前
Concrete needs stone to be called concrete, otherwise it's cement or mortar.

Popsy📌2 个月前
Is the first one necessary

reaper2 个月前
What if i bite it and we both die

_fplpastor.mike🐐2 个月前
Thank yoouuu!!!


