Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.

预应力混凝土连续箱梁桥的开裂可以说是“多发病”，影响着构件的外观、使用寿命，甚至结构安全。

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The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.

介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。

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The key problem of coking seriously restricts the stable and continuous operation in thermal plasma downer reactor for the coal cracking process to produce acetylene production.

热等离子体煤裂解制乙炔下行床反应器工艺的严重结焦是制约该过程稳定操作与连续运行的瓶颈。

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