该刀片将需要保护的削弱难以债券削减绿色混凝土和水泥固化软的债券。
The blade will need a harder bond with undercut protection to cut green concrete and a softer bond for cured concrete.
使用混凝土砌块，大理石，花岗岩软，石材，瓷砖和其他材料他们。
Use them on concrete block, marble, soft granite, stone, tile and other materials.
设置观测桩对预应力混凝土管桩在软土地基施工中具有指导意义。
Arranging observation pile has instructive significance to the construction of pre-stressed concrete pipe pile in soft soil foundation.
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