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汉语拼音：biāo zhuān

在砌砖石砌体时，在每层安置的正确高度的砖，以保持挂线中央平直。

• This paper mainly introduces the autoclaved fly ash brick superscript symptoms, causes, treatment methods and prevention measures.

  本文主要介绍粉煤灰蒸压标砖的症状、产生原因、处理方法和预防措施。

• This machine mould replacement can system standard bricks, blind hole brick and other alien products.

  本机更换模具可制标砖、盲孔砖及其它异型制品。

• The difficult problem that with brick of mark of waste rock, shaly production, air brick expensive wet stock smashs.

  用矸石、页岩生产标砖、空心砖高湿物料粉碎的困难。