Ceramic tile: use a small hammer knock on to see if free drum sound, groove seam is full, ceramic tile stick whether level off.
瓷砖：用小锤子敲敲看是否有空鼓的声音，沟缝是否饱满，瓷砖贴的是否平整。
2
According to the invention, at least some of the holes (10) are arranged in at least one groove (11) formed in the mold face of the full-face mold.
据发明，至少有孔(10)的一些安排至少在一个槽在全断面模具模面组成(11)。
3
For the full development of beam ductility, different kinds of anchorage of beam reinforcements in the joint core and groove welded connction on longitudinal main beam b…