1·The company's power trowel, tamping rammer, forward plate, floor saw, concrete vibrator and mortar pump already reach world-class standards.
其中抹平机，冲击夯，平板夯，切割机，震捣棒，灰浆泵等均已达到世界一流水平。
2·At the contact point of concrete, intensify the movement of vibrator, but not so fast, otherwise coarse aggregate will submerged and separated.
在砼前后接槎处，加强振捣，但也不能过度振捣以防砼发生粗骨料下沉和分层离析。