The concrete sampling, check of deck crack and infiltration observation show that the quality of deck is good.
混凝土取样结果、面板裂缝检查及渗流观测结果都表明，面板的质量良好。
2
Different methods of check, observation and repair necessity are given according to different cracks. The common maintenance methods are introduced.
针对不同的裂缝类型，提出检查、观测以及修补必要性的判断方法，并介绍了在日常养护中常用的维修方法。
3
Methods Gaxtroscope check to 40examples as a result of early stage and acute stomach mucous membrane pathological changes patients made a definite diagnosis cure the tight observation with nursing.